Home / 1,789.48-2,470.82-1,543.44

Finding the Fourth Proportional to 1,789.48, 2,470.82 and 1,543.44

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Solution

The fourth proportional to 1,789.48, 2,470.82 and 1,543.44 is: 2,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.48 : 2,470.82 = 1,543.44 : x
  2. Step 2: Convert to fraction form
    1,789.48/2,470.82 = 1,543.44/x
  3. Step 3: Cross multiply
    1,789.48x = 2,470.82 × 1,543.44
  4. Step 4: Simplify right side
    1,789.48x = 3,813,562.42
  5. Step 5: Solve for x
    x = 3,813,562.42/1,789.48
  6. Step 6: Final answer
    x = 2,131.10

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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.