Home / 4,161.28-5,742.90-2,483.20

Finding the Fourth Proportional to 4,161.28, 5,742.90 and 2,483.20

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Solution

The fourth proportional to 4,161.28, 5,742.90 and 2,483.20 is: 3,427.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.28 : 5,742.90 = 2,483.20 : x
  2. Step 2: Convert to fraction form
    4,161.28/5,742.90 = 2,483.20/x
  3. Step 3: Cross multiply
    4,161.28x = 5,742.90 × 2,483.20
  4. Step 4: Simplify right side
    4,161.28x = 14,260,769.28
  5. Step 5: Solve for x
    x = 14,260,769.28/4,161.28
  6. Step 6: Final answer
    x = 3,427.02

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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.