Home / 3,892.50-5,838.75-1,295.64

Finding the Fourth Proportional to 3,892.50, 5,838.75 and 1,295.64

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Solution

The fourth proportional to 3,892.50, 5,838.75 and 1,295.64 is: 1,943.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.50 : 5,838.75 = 1,295.64 : x
  2. Step 2: Convert to fraction form
    3,892.50/5,838.75 = 1,295.64/x
  3. Step 3: Cross multiply
    3,892.50x = 5,838.75 × 1,295.64
  4. Step 4: Simplify right side
    3,892.50x = 7,564,918.05
  5. Step 5: Solve for x
    x = 7,564,918.05/3,892.50
  6. Step 6: Final answer
    x = 1,943.46

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,893.50, 5,840.25 and 1,296.64
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.