Home / 2,686.14-4,030.92-1,454.40

Finding the Fourth Proportional to 2,686.14, 4,030.92 and 1,454.40

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Solution

The fourth proportional to 2,686.14, 4,030.92 and 1,454.40 is: 2,182.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.14 : 4,030.92 = 1,454.40 : x
  2. Step 2: Convert to fraction form
    2,686.14/4,030.92 = 1,454.40/x
  3. Step 3: Cross multiply
    2,686.14x = 4,030.92 × 1,454.40
  4. Step 4: Simplify right side
    2,686.14x = 5,862,570.05
  5. Step 5: Solve for x
    x = 5,862,570.05/2,686.14
  6. Step 6: Final answer
    x = 2,182.53

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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.