Home / 2,710.80-4,064.40-1,251.36

Finding the Fourth Proportional to 2,710.80, 4,064.40 and 1,251.36

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Solution

The fourth proportional to 2,710.80, 4,064.40 and 1,251.36 is: 1,876.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.80 : 4,064.40 = 1,251.36 : x
  2. Step 2: Convert to fraction form
    2,710.80/4,064.40 = 1,251.36/x
  3. Step 3: Cross multiply
    2,710.80x = 4,064.40 × 1,251.36
  4. Step 4: Simplify right side
    2,710.80x = 5,086,027.58
  5. Step 5: Solve for x
    x = 5,086,027.58/2,710.80
  6. Step 6: Final answer
    x = 1,876.21

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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.