Home / 3,493.50-5,240.39-1,302.18

Finding the Fourth Proportional to 3,493.50, 5,240.39 and 1,302.18

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Solution

The fourth proportional to 3,493.50, 5,240.39 and 1,302.18 is: 1,953.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.50 : 5,240.39 = 1,302.18 : x
  2. Step 2: Convert to fraction form
    3,493.50/5,240.39 = 1,302.18/x
  3. Step 3: Cross multiply
    3,493.50x = 5,240.39 × 1,302.18
  4. Step 4: Simplify right side
    3,493.50x = 6,823,924.54
  5. Step 5: Solve for x
    x = 6,823,924.54/3,493.50
  6. Step 6: Final answer
    x = 1,953.32

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Half scale
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Double scale
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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.