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Finding the Fourth Proportional to 2,373.41, 3,559.70 and 641.63

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Solution

The fourth proportional to 2,373.41, 3,559.70 and 641.63 is: 962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.41 : 3,559.70 = 641.63 : x
  2. Step 2: Convert to fraction form
    2,373.41/3,559.70 = 641.63/x
  3. Step 3: Cross multiply
    2,373.41x = 3,559.70 × 641.63
  4. Step 4: Simplify right side
    2,373.41x = 2,283,989.30
  5. Step 5: Solve for x
    x = 2,283,989.30/2,373.41
  6. Step 6: Final answer
    x = 962.33

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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.