Home / 4,171.50-5,757.35-2,402.80

Finding the Fourth Proportional to 4,171.50, 5,757.35 and 2,402.80

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Solution

The fourth proportional to 4,171.50, 5,757.35 and 2,402.80 is: 3,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.50 : 5,757.35 = 2,402.80 : x
  2. Step 2: Convert to fraction form
    4,171.50/5,757.35 = 2,402.80/x
  3. Step 3: Cross multiply
    4,171.50x = 5,757.35 × 2,402.80
  4. Step 4: Simplify right side
    4,171.50x = 13,833,734.17
  5. Step 5: Solve for x
    x = 13,833,734.17/4,171.50
  6. Step 6: Final answer
    x = 3,316.25

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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.