Home / 2,229.45-3,077.28-1,566.48

Finding the Fourth Proportional to 2,229.45, 3,077.28 and 1,566.48

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Solution

The fourth proportional to 2,229.45, 3,077.28 and 1,566.48 is: 2,162.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.45 : 3,077.28 = 1,566.48 : x
  2. Step 2: Convert to fraction form
    2,229.45/3,077.28 = 1,566.48/x
  3. Step 3: Cross multiply
    2,229.45x = 3,077.28 × 1,566.48
  4. Step 4: Simplify right side
    2,229.45x = 4,820,497.57
  5. Step 5: Solve for x
    x = 4,820,497.57/2,229.45
  6. Step 6: Final answer
    x = 2,162.19

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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.