Home / 2,425.80-3,637.50-1,126.44

Finding the Fourth Proportional to 2,425.80, 3,637.50 and 1,126.44

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Solution

The fourth proportional to 2,425.80, 3,637.50 and 1,126.44 is: 1,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.80 : 3,637.50 = 1,126.44 : x
  2. Step 2: Convert to fraction form
    2,425.80/3,637.50 = 1,126.44/x
  3. Step 3: Cross multiply
    2,425.80x = 3,637.50 × 1,126.44
  4. Step 4: Simplify right side
    2,425.80x = 4,097,425.50
  5. Step 5: Solve for x
    x = 4,097,425.50/2,425.80
  6. Step 6: Final answer
    x = 1,689.10

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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.