Home / 4,018.60-5,545.74-2,250.20

Finding the Fourth Proportional to 4,018.60, 5,545.74 and 2,250.20

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Solution

The fourth proportional to 4,018.60, 5,545.74 and 2,250.20 is: 3,105.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,018.60 : 5,545.74 = 2,250.20 : x
  2. Step 2: Convert to fraction form
    4,018.60/5,545.74 = 2,250.20/x
  3. Step 3: Cross multiply
    4,018.60x = 5,545.74 × 2,250.20
  4. Step 4: Simplify right side
    4,018.60x = 12,479,024.15
  5. Step 5: Solve for x
    x = 12,479,024.15/4,018.60
  6. Step 6: Final answer
    x = 3,105.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.