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Finding the Fourth Proportional to 1,625.96, 2,438.95 and 937.13

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Solution

The fourth proportional to 1,625.96, 2,438.95 and 937.13 is: 1,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.96 : 2,438.95 = 937.13 : x
  2. Step 2: Convert to fraction form
    1,625.96/2,438.95 = 937.13/x
  3. Step 3: Cross multiply
    1,625.96x = 2,438.95 × 937.13
  4. Step 4: Simplify right side
    1,625.96x = 2,285,616.97
  5. Step 5: Solve for x
    x = 2,285,616.97/1,625.96
  6. Step 6: Final answer
    x = 1,405.70

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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.