Home / 2,424.90-3,635.46-1,126.20

Finding the Fourth Proportional to 2,424.90, 3,635.46 and 1,126.20

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Solution

The fourth proportional to 2,424.90, 3,635.46 and 1,126.20 is: 1,688.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.90 : 3,635.46 = 1,126.20 : x
  2. Step 2: Convert to fraction form
    2,424.90/3,635.46 = 1,126.20/x
  3. Step 3: Cross multiply
    2,424.90x = 3,635.46 × 1,126.20
  4. Step 4: Simplify right side
    2,424.90x = 4,094,255.05
  5. Step 5: Solve for x
    x = 4,094,255.05/2,424.90
  6. Step 6: Final answer
    x = 1,688.42

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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.