Home / 3,480.10-5,232.30-3,407.20

Finding the Fourth Proportional to 3,480.10, 5,232.30 and 3,407.20

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Solution

The fourth proportional to 3,480.10, 5,232.30 and 3,407.20 is: 5,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.10 : 5,232.30 = 3,407.20 : x
  2. Step 2: Convert to fraction form
    3,480.10/5,232.30 = 3,407.20/x
  3. Step 3: Cross multiply
    3,480.10x = 5,232.30 × 3,407.20
  4. Step 4: Simplify right side
    3,480.10x = 17,827,492.56
  5. Step 5: Solve for x
    x = 17,827,492.56/3,480.10
  6. Step 6: Final answer
    x = 5,122.70

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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.