Home / 2,695.56-4,045.32-2,080.80

Finding the Fourth Proportional to 2,695.56, 4,045.32 and 2,080.80

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Solution

The fourth proportional to 2,695.56, 4,045.32 and 2,080.80 is: 3,122.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.56 : 4,045.32 = 2,080.80 : x
  2. Step 2: Convert to fraction form
    2,695.56/4,045.32 = 2,080.80/x
  3. Step 3: Cross multiply
    2,695.56x = 4,045.32 × 2,080.80
  4. Step 4: Simplify right side
    2,695.56x = 8,417,501.86
  5. Step 5: Solve for x
    x = 8,417,501.86/2,695.56
  6. Step 6: Final answer
    x = 3,122.73

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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.