Home / 3,170.10-4,374.40-1,753.56

Finding the Fourth Proportional to 3,170.10, 4,374.40 and 1,753.56

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Solution

The fourth proportional to 3,170.10, 4,374.40 and 1,753.56 is: 2,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.10 : 4,374.40 = 1,753.56 : x
  2. Step 2: Convert to fraction form
    3,170.10/4,374.40 = 1,753.56/x
  3. Step 3: Cross multiply
    3,170.10x = 4,374.40 × 1,753.56
  4. Step 4: Simplify right side
    3,170.10x = 7,670,764.10
  5. Step 5: Solve for x
    x = 7,670,764.10/3,170.10
  6. Step 6: Final answer
    x = 2,419.73

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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.