Home / 1,624.40-2,436.48-844.02

Finding the Fourth Proportional to 1,624.40, 2,436.48 and 844.02

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Solution

The fourth proportional to 1,624.40, 2,436.48 and 844.02 is: 1,265.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.40 : 2,436.48 = 844.02 : x
  2. Step 2: Convert to fraction form
    1,624.40/2,436.48 = 844.02/x
  3. Step 3: Cross multiply
    1,624.40x = 2,436.48 × 844.02
  4. Step 4: Simplify right side
    1,624.40x = 2,056,437.85
  5. Step 5: Solve for x
    x = 2,056,437.85/1,624.40
  6. Step 6: Final answer
    x = 1,265.97

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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.