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Finding the Fourth Proportional to 3,501.52, 5,252.28 and 1,859.28

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Solution

The fourth proportional to 3,501.52, 5,252.28 and 1,859.28 is: 2,788.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.52 : 5,252.28 = 1,859.28 : x
  2. Step 2: Convert to fraction form
    3,501.52/5,252.28 = 1,859.28/x
  3. Step 3: Cross multiply
    3,501.52x = 5,252.28 × 1,859.28
  4. Step 4: Simplify right side
    3,501.52x = 9,765,459.16
  5. Step 5: Solve for x
    x = 9,765,459.16/3,501.52
  6. Step 6: Final answer
    x = 2,788.92

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Double scale
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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.