Home / 2,686.25-4,030.91-1,454.36

Finding the Fourth Proportional to 2,686.25, 4,030.91 and 1,454.36

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Solution

The fourth proportional to 2,686.25, 4,030.91 and 1,454.36 is: 2,182.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.25 : 4,030.91 = 1,454.36 : x
  2. Step 2: Convert to fraction form
    2,686.25/4,030.91 = 1,454.36/x
  3. Step 3: Cross multiply
    2,686.25x = 4,030.91 × 1,454.36
  4. Step 4: Simplify right side
    2,686.25x = 5,862,380.48
  5. Step 5: Solve for x
    x = 5,862,380.48/2,686.25
  6. Step 6: Final answer
    x = 2,182.37

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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.