Home / 3,170.40-4,375.36-1,773.12

Finding the Fourth Proportional to 3,170.40, 4,375.36 and 1,773.12

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Solution

The fourth proportional to 3,170.40, 4,375.36 and 1,773.12 is: 2,447.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.40 : 4,375.36 = 1,773.12 : x
  2. Step 2: Convert to fraction form
    3,170.40/4,375.36 = 1,773.12/x
  3. Step 3: Cross multiply
    3,170.40x = 4,375.36 × 1,773.12
  4. Step 4: Simplify right side
    3,170.40x = 7,758,038.32
  5. Step 5: Solve for x
    x = 7,758,038.32/3,170.40
  6. Step 6: Final answer
    x = 2,447.02

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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.