Home / 2,655.12-3,680.76-2,514.60

Finding the Fourth Proportional to 2,655.12, 3,680.76 and 2,514.60

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Solution

The fourth proportional to 2,655.12, 3,680.76 and 2,514.60 is: 3,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.12 : 3,680.76 = 2,514.60 : x
  2. Step 2: Convert to fraction form
    2,655.12/3,680.76 = 2,514.60/x
  3. Step 3: Cross multiply
    2,655.12x = 3,680.76 × 2,514.60
  4. Step 4: Simplify right side
    2,655.12x = 9,255,639.10
  5. Step 5: Solve for x
    x = 9,255,639.10/2,655.12
  6. Step 6: Final answer
    x = 3,485.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.