Home / 3,625.46-5,438.45-1,126.31

Finding the Fourth Proportional to 3,625.46, 5,438.45 and 1,126.31

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Solution

The fourth proportional to 3,625.46, 5,438.45 and 1,126.31 is: 1,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.46 : 5,438.45 = 1,126.31 : x
  2. Step 2: Convert to fraction form
    3,625.46/5,438.45 = 1,126.31/x
  3. Step 3: Cross multiply
    3,625.46x = 5,438.45 × 1,126.31
  4. Step 4: Simplify right side
    3,625.46x = 6,125,388.58
  5. Step 5: Solve for x
    x = 6,125,388.58/3,625.46
  6. Step 6: Final answer
    x = 1,689.55

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1.5x scale

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.