Home / 3,901.23-5,852.88-1,128.13

Finding the Fourth Proportional to 3,901.23, 5,852.88 and 1,128.13

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Solution

The fourth proportional to 3,901.23, 5,852.88 and 1,128.13 is: 1,692.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.23 : 5,852.88 = 1,128.13 : x
  2. Step 2: Convert to fraction form
    3,901.23/5,852.88 = 1,128.13/x
  3. Step 3: Cross multiply
    3,901.23x = 5,852.88 × 1,128.13
  4. Step 4: Simplify right side
    3,901.23x = 6,602,794.88
  5. Step 5: Solve for x
    x = 6,602,794.88/3,901.23
  6. Step 6: Final answer
    x = 1,692.49

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,902.23, 5,854.38 and 1,129.13
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.