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Finding the Fourth Proportional to 1,701.92, 2,553.04 and 606.40

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Solution

The fourth proportional to 1,701.92, 2,553.04 and 606.40 is: 909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.92 : 2,553.04 = 606.40 : x
  2. Step 2: Convert to fraction form
    1,701.92/2,553.04 = 606.40/x
  3. Step 3: Cross multiply
    1,701.92x = 2,553.04 × 606.40
  4. Step 4: Simplify right side
    1,701.92x = 1,548,163.46
  5. Step 5: Solve for x
    x = 1,548,163.46/1,701.92
  6. Step 6: Final answer
    x = 909.66

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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.