Home / 2,766.24-4,125.60-2,729.16

Finding the Fourth Proportional to 2,766.24, 4,125.60 and 2,729.16

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Solution

The fourth proportional to 2,766.24, 4,125.60 and 2,729.16 is: 4,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.24 : 4,125.60 = 2,729.16 : x
  2. Step 2: Convert to fraction form
    2,766.24/4,125.60 = 2,729.16/x
  3. Step 3: Cross multiply
    2,766.24x = 4,125.60 × 2,729.16
  4. Step 4: Simplify right side
    2,766.24x = 11,259,422.50
  5. Step 5: Solve for x
    x = 11,259,422.50/2,766.24
  6. Step 6: Final answer
    x = 4,070.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.