Home / 2,423.20-3,627.60-1,451.20

Finding the Fourth Proportional to 2,423.20, 3,627.60 and 1,451.20

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Solution

The fourth proportional to 2,423.20, 3,627.60 and 1,451.20 is: 2,172.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.20 : 3,627.60 = 1,451.20 : x
  2. Step 2: Convert to fraction form
    2,423.20/3,627.60 = 1,451.20/x
  3. Step 3: Cross multiply
    2,423.20x = 3,627.60 × 1,451.20
  4. Step 4: Simplify right side
    2,423.20x = 5,264,373.12
  5. Step 5: Solve for x
    x = 5,264,373.12/2,423.20
  6. Step 6: Final answer
    x = 2,172.49

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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.