Home / 3,803.62-5,247.03-2,407.18

Finding the Fourth Proportional to 3,803.62, 5,247.03 and 2,407.18

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Solution

The fourth proportional to 3,803.62, 5,247.03 and 2,407.18 is: 3,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.62 : 5,247.03 = 2,407.18 : x
  2. Step 2: Convert to fraction form
    3,803.62/5,247.03 = 2,407.18/x
  3. Step 3: Cross multiply
    3,803.62x = 5,247.03 × 2,407.18
  4. Step 4: Simplify right side
    3,803.62x = 12,630,545.68
  5. Step 5: Solve for x
    x = 12,630,545.68/3,803.62
  6. Step 6: Final answer
    x = 3,320.66

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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.