Home / 1,631.03-2,250.88-922.91

Finding the Fourth Proportional to 1,631.03, 2,250.88 and 922.91

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Solution

The fourth proportional to 1,631.03, 2,250.88 and 922.91 is: 1,273.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.03 : 2,250.88 = 922.91 : x
  2. Step 2: Convert to fraction form
    1,631.03/2,250.88 = 922.91/x
  3. Step 3: Cross multiply
    1,631.03x = 2,250.88 × 922.91
  4. Step 4: Simplify right side
    1,631.03x = 2,077,346.10
  5. Step 5: Solve for x
    x = 2,077,346.10/1,631.03
  6. Step 6: Final answer
    x = 1,273.64

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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.