Home / 3,173.32-4,380.18-3,008.20

Finding the Fourth Proportional to 3,173.32, 4,380.18 and 3,008.20

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Solution

The fourth proportional to 3,173.32, 4,380.18 and 3,008.20 is: 4,152.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.32 : 4,380.18 = 3,008.20 : x
  2. Step 2: Convert to fraction form
    3,173.32/4,380.18 = 3,008.20/x
  3. Step 3: Cross multiply
    3,173.32x = 4,380.18 × 3,008.20
  4. Step 4: Simplify right side
    3,173.32x = 13,176,457.48
  5. Step 5: Solve for x
    x = 13,176,457.48/3,173.32
  6. Step 6: Final answer
    x = 4,152.26

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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.