Home / 2,459.25-3,686.40-1,158.39

Finding the Fourth Proportional to 2,459.25, 3,686.40 and 1,158.39

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Solution

The fourth proportional to 2,459.25, 3,686.40 and 1,158.39 is: 1,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.25 : 3,686.40 = 1,158.39 : x
  2. Step 2: Convert to fraction form
    2,459.25/3,686.40 = 1,158.39/x
  3. Step 3: Cross multiply
    2,459.25x = 3,686.40 × 1,158.39
  4. Step 4: Simplify right side
    2,459.25x = 4,270,288.90
  5. Step 5: Solve for x
    x = 4,270,288.90/2,459.25
  6. Step 6: Final answer
    x = 1,736.42

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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.