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Finding the Fourth Proportional to 1,493.48, 2,060.16 and 903.80

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Solution

The fourth proportional to 1,493.48, 2,060.16 and 903.80 is: 1,246.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.48 : 2,060.16 = 903.80 : x
  2. Step 2: Convert to fraction form
    1,493.48/2,060.16 = 903.80/x
  3. Step 3: Cross multiply
    1,493.48x = 2,060.16 × 903.80
  4. Step 4: Simplify right side
    1,493.48x = 1,861,972.61
  5. Step 5: Solve for x
    x = 1,861,972.61/1,493.48
  6. Step 6: Final answer
    x = 1,246.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.