Home / 1,399.14-2,098.10-576.86

Finding the Fourth Proportional to 1,399.14, 2,098.10 and 576.86

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Solution

The fourth proportional to 1,399.14, 2,098.10 and 576.86 is: 865.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399.14 : 2,098.10 = 576.86 : x
  2. Step 2: Convert to fraction form
    1,399.14/2,098.10 = 576.86/x
  3. Step 3: Cross multiply
    1,399.14x = 2,098.10 × 576.86
  4. Step 4: Simplify right side
    1,399.14x = 1,210,300.92
  5. Step 5: Solve for x
    x = 1,210,300.92/1,399.14
  6. Step 6: Final answer
    x = 865.03

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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.