Home / 2,899.15-4,348.66-707.87

Finding the Fourth Proportional to 2,899.15, 4,348.66 and 707.87

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Solution

The fourth proportional to 2,899.15, 4,348.66 and 707.87 is: 1,061.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.15 : 4,348.66 = 707.87 : x
  2. Step 2: Convert to fraction form
    2,899.15/4,348.66 = 707.87/x
  3. Step 3: Cross multiply
    2,899.15x = 4,348.66 × 707.87
  4. Step 4: Simplify right side
    2,899.15x = 3,078,295.06
  5. Step 5: Solve for x
    x = 3,078,295.06/2,899.15
  6. Step 6: Final answer
    x = 1,061.79

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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.