Home / 3,170.61-4,372.60-2,641.25

Finding the Fourth Proportional to 3,170.61, 4,372.60 and 2,641.25

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Solution

The fourth proportional to 3,170.61, 4,372.60 and 2,641.25 is: 3,642.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.61 : 4,372.60 = 2,641.25 : x
  2. Step 2: Convert to fraction form
    3,170.61/4,372.60 = 2,641.25/x
  3. Step 3: Cross multiply
    3,170.61x = 4,372.60 × 2,641.25
  4. Step 4: Simplify right side
    3,170.61x = 11,549,094.68
  5. Step 5: Solve for x
    x = 11,549,094.68/3,170.61
  6. Step 6: Final answer
    x = 3,642.55

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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.