Home / 2,218.55-3,059.66-1,776.29

Finding the Fourth Proportional to 2,218.55, 3,059.66 and 1,776.29

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Solution

The fourth proportional to 2,218.55, 3,059.66 and 1,776.29 is: 2,449.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.55 : 3,059.66 = 1,776.29 : x
  2. Step 2: Convert to fraction form
    2,218.55/3,059.66 = 1,776.29/x
  3. Step 3: Cross multiply
    2,218.55x = 3,059.66 × 1,776.29
  4. Step 4: Simplify right side
    2,218.55x = 5,434,834.58
  5. Step 5: Solve for x
    x = 5,434,834.58/2,218.55
  6. Step 6: Final answer
    x = 2,449.72

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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.