Home / 1,814.08-2,712.92-1,397.56

Finding the Fourth Proportional to 1,814.08, 2,712.92 and 1,397.56

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Solution

The fourth proportional to 1,814.08, 2,712.92 and 1,397.56 is: 2,090.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814.08 : 2,712.92 = 1,397.56 : x
  2. Step 2: Convert to fraction form
    1,814.08/2,712.92 = 1,397.56/x
  3. Step 3: Cross multiply
    1,814.08x = 2,712.92 × 1,397.56
  4. Step 4: Simplify right side
    1,814.08x = 3,791,468.48
  5. Step 5: Solve for x
    x = 3,791,468.48/1,814.08
  6. Step 6: Final answer
    x = 2,090.02

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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.