Home / 2,431.90-3,355.97-1,487.62

Finding the Fourth Proportional to 2,431.90, 3,355.97 and 1,487.62

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Solution

The fourth proportional to 2,431.90, 3,355.97 and 1,487.62 is: 2,052.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.90 : 3,355.97 = 1,487.62 : x
  2. Step 2: Convert to fraction form
    2,431.90/3,355.97 = 1,487.62/x
  3. Step 3: Cross multiply
    2,431.90x = 3,355.97 × 1,487.62
  4. Step 4: Simplify right side
    2,431.90x = 4,992,395.98
  5. Step 5: Solve for x
    x = 4,992,395.98/2,431.90
  6. Step 6: Final answer
    x = 2,052.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.