Home / 3,154.42-4,353.18-1,757.20

Finding the Fourth Proportional to 3,154.42, 4,353.18 and 1,757.20

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Solution

The fourth proportional to 3,154.42, 4,353.18 and 1,757.20 is: 2,424.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.42 : 4,353.18 = 1,757.20 : x
  2. Step 2: Convert to fraction form
    3,154.42/4,353.18 = 1,757.20/x
  3. Step 3: Cross multiply
    3,154.42x = 4,353.18 × 1,757.20
  4. Step 4: Simplify right side
    3,154.42x = 7,649,407.90
  5. Step 5: Solve for x
    x = 7,649,407.90/3,154.42
  6. Step 6: Final answer
    x = 2,424.98

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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.