Home / 1,624.68-2,433.36-1,139.90

Finding the Fourth Proportional to 1,624.68, 2,433.36 and 1,139.90

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Solution

The fourth proportional to 1,624.68, 2,433.36 and 1,139.90 is: 1,707.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.68 : 2,433.36 = 1,139.90 : x
  2. Step 2: Convert to fraction form
    1,624.68/2,433.36 = 1,139.90/x
  3. Step 3: Cross multiply
    1,624.68x = 2,433.36 × 1,139.90
  4. Step 4: Simplify right side
    1,624.68x = 2,773,787.06
  5. Step 5: Solve for x
    x = 2,773,787.06/1,624.68
  6. Step 6: Final answer
    x = 1,707.28

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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.