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Finding the Fourth Proportional to 2,957.99, 4,432.98 and 1,641.68

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Solution

The fourth proportional to 2,957.99, 4,432.98 and 1,641.68 is: 2,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.99 : 4,432.98 = 1,641.68 : x
  2. Step 2: Convert to fraction form
    2,957.99/4,432.98 = 1,641.68/x
  3. Step 3: Cross multiply
    2,957.99x = 4,432.98 × 1,641.68
  4. Step 4: Simplify right side
    2,957.99x = 7,277,534.61
  5. Step 5: Solve for x
    x = 7,277,534.61/2,957.99
  6. Step 6: Final answer
    x = 2,460.30

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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.