Home / 1,543.68-2,129.48-1,046.14

Finding the Fourth Proportional to 1,543.68, 2,129.48 and 1,046.14

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Solution

The fourth proportional to 1,543.68, 2,129.48 and 1,046.14 is: 1,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543.68 : 2,129.48 = 1,046.14 : x
  2. Step 2: Convert to fraction form
    1,543.68/2,129.48 = 1,046.14/x
  3. Step 3: Cross multiply
    1,543.68x = 2,129.48 × 1,046.14
  4. Step 4: Simplify right side
    1,543.68x = 2,227,734.21
  5. Step 5: Solve for x
    x = 2,227,734.21/1,543.68
  6. Step 6: Final answer
    x = 1,443.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.