Home / 1,299.46-1,948.10-888.02

Finding the Fourth Proportional to 1,299.46, 1,948.10 and 888.02

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Solution

The fourth proportional to 1,299.46, 1,948.10 and 888.02 is: 1,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299.46 : 1,948.10 = 888.02 : x
  2. Step 2: Convert to fraction form
    1,299.46/1,948.10 = 888.02/x
  3. Step 3: Cross multiply
    1,299.46x = 1,948.10 × 888.02
  4. Step 4: Simplify right side
    1,299.46x = 1,729,951.76
  5. Step 5: Solve for x
    x = 1,729,951.76/1,299.46
  6. Step 6: Final answer
    x = 1,331.29

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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.