Home / 1,731.27-2,598.26-1,207.86

Finding the Fourth Proportional to 1,731.27, 2,598.26 and 1,207.86

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Solution

The fourth proportional to 1,731.27, 2,598.26 and 1,207.86 is: 1,812.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.27 : 2,598.26 = 1,207.86 : x
  2. Step 2: Convert to fraction form
    1,731.27/2,598.26 = 1,207.86/x
  3. Step 3: Cross multiply
    1,731.27x = 2,598.26 × 1,207.86
  4. Step 4: Simplify right side
    1,731.27x = 3,138,328.28
  5. Step 5: Solve for x
    x = 3,138,328.28/1,731.27
  6. Step 6: Final answer
    x = 1,812.74

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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.