Home / 1,755.62-2,423.28-1,047.98

Finding the Fourth Proportional to 1,755.62, 2,423.28 and 1,047.98

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Solution

The fourth proportional to 1,755.62, 2,423.28 and 1,047.98 is: 1,446.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.62 : 2,423.28 = 1,047.98 : x
  2. Step 2: Convert to fraction form
    1,755.62/2,423.28 = 1,047.98/x
  3. Step 3: Cross multiply
    1,755.62x = 2,423.28 × 1,047.98
  4. Step 4: Simplify right side
    1,755.62x = 2,539,548.97
  5. Step 5: Solve for x
    x = 2,539,548.97/1,755.62
  6. Step 6: Final answer
    x = 1,446.53

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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.