Home / 2,575.19-3,554.79-1,789.70

Finding the Fourth Proportional to 2,575.19, 3,554.79 and 1,789.70

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Solution

The fourth proportional to 2,575.19, 3,554.79 and 1,789.70 is: 2,470.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.19 : 3,554.79 = 1,789.70 : x
  2. Step 2: Convert to fraction form
    2,575.19/3,554.79 = 1,789.70/x
  3. Step 3: Cross multiply
    2,575.19x = 3,554.79 × 1,789.70
  4. Step 4: Simplify right side
    2,575.19x = 6,361,983.18
  5. Step 5: Solve for x
    x = 6,361,983.18/2,575.19
  6. Step 6: Final answer
    x = 2,470.49

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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.