Home / 2,458.26-3,686.40-1,158.84

Finding the Fourth Proportional to 2,458.26, 3,686.40 and 1,158.84

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Solution

The fourth proportional to 2,458.26, 3,686.40 and 1,158.84 is: 1,737.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.26 : 3,686.40 = 1,158.84 : x
  2. Step 2: Convert to fraction form
    2,458.26/3,686.40 = 1,158.84/x
  3. Step 3: Cross multiply
    2,458.26x = 3,686.40 × 1,158.84
  4. Step 4: Simplify right side
    2,458.26x = 4,271,947.78
  5. Step 5: Solve for x
    x = 4,271,947.78/2,458.26
  6. Step 6: Final answer
    x = 1,737.79

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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.