Home / 1,543.59-2,130.35-1,149.93

Finding the Fourth Proportional to 1,543.59, 2,130.35 and 1,149.93

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Solution

The fourth proportional to 1,543.59, 2,130.35 and 1,149.93 is: 1,587.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543.59 : 2,130.35 = 1,149.93 : x
  2. Step 2: Convert to fraction form
    1,543.59/2,130.35 = 1,149.93/x
  3. Step 3: Cross multiply
    1,543.59x = 2,130.35 × 1,149.93
  4. Step 4: Simplify right side
    1,543.59x = 2,449,747.63
  5. Step 5: Solve for x
    x = 2,449,747.63/1,543.59
  6. Step 6: Final answer
    x = 1,587.05

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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.