Home / 2,741.60-4,114.08-2,641.20

Finding the Fourth Proportional to 2,741.60, 4,114.08 and 2,641.20

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Solution

The fourth proportional to 2,741.60, 4,114.08 and 2,641.20 is: 3,963.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.60 : 4,114.08 = 2,641.20 : x
  2. Step 2: Convert to fraction form
    2,741.60/4,114.08 = 2,641.20/x
  3. Step 3: Cross multiply
    2,741.60x = 4,114.08 × 2,641.20
  4. Step 4: Simplify right side
    2,741.60x = 10,866,108.10
  5. Step 5: Solve for x
    x = 10,866,108.10/2,741.60
  6. Step 6: Final answer
    x = 3,963.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.