Home / 3,627.28-5,440.92-1,437.55

Finding the Fourth Proportional to 3,627.28, 5,440.92 and 1,437.55

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Solution

The fourth proportional to 3,627.28, 5,440.92 and 1,437.55 is: 2,156.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.28 : 5,440.92 = 1,437.55 : x
  2. Step 2: Convert to fraction form
    3,627.28/5,440.92 = 1,437.55/x
  3. Step 3: Cross multiply
    3,627.28x = 5,440.92 × 1,437.55
  4. Step 4: Simplify right side
    3,627.28x = 7,821,583.64
  5. Step 5: Solve for x
    x = 7,821,583.64/3,627.28
  6. Step 6: Final answer
    x = 2,156.32

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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.