Home / 1,625.10-2,437.64-392.50

Finding the Fourth Proportional to 1,625.10, 2,437.64 and 392.50

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Solution

The fourth proportional to 1,625.10, 2,437.64 and 392.50 is: 588.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.10 : 2,437.64 = 392.50 : x
  2. Step 2: Convert to fraction form
    1,625.10/2,437.64 = 392.50/x
  3. Step 3: Cross multiply
    1,625.10x = 2,437.64 × 392.50
  4. Step 4: Simplify right side
    1,625.10x = 956,773.70
  5. Step 5: Solve for x
    x = 956,773.70/1,625.10
  6. Step 6: Final answer
    x = 588.75

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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.