Home / 2,458.90-3,689.44-1,304.38

Finding the Fourth Proportional to 2,458.90, 3,689.44 and 1,304.38

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Solution

The fourth proportional to 2,458.90, 3,689.44 and 1,304.38 is: 1,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.90 : 3,689.44 = 1,304.38 : x
  2. Step 2: Convert to fraction form
    2,458.90/3,689.44 = 1,304.38/x
  3. Step 3: Cross multiply
    2,458.90x = 3,689.44 × 1,304.38
  4. Step 4: Simplify right side
    2,458.90x = 4,812,431.75
  5. Step 5: Solve for x
    x = 4,812,431.75/2,458.90
  6. Step 6: Final answer
    x = 1,957.15

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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.