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Finding the Fourth Proportional to 2,373.39, 3,559.68 and 641.88

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Solution

The fourth proportional to 2,373.39, 3,559.68 and 641.88 is: 962.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.39 : 3,559.68 = 641.88 : x
  2. Step 2: Convert to fraction form
    2,373.39/3,559.68 = 641.88/x
  3. Step 3: Cross multiply
    2,373.39x = 3,559.68 × 641.88
  4. Step 4: Simplify right side
    2,373.39x = 2,284,887.40
  5. Step 5: Solve for x
    x = 2,284,887.40/2,373.39
  6. Step 6: Final answer
    x = 962.71

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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.