Home / 4,074.20-5,622.47-2,658.79

Finding the Fourth Proportional to 4,074.20, 5,622.47 and 2,658.79

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Solution

The fourth proportional to 4,074.20, 5,622.47 and 2,658.79 is: 3,669.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.20 : 5,622.47 = 2,658.79 : x
  2. Step 2: Convert to fraction form
    4,074.20/5,622.47 = 2,658.79/x
  3. Step 3: Cross multiply
    4,074.20x = 5,622.47 × 2,658.79
  4. Step 4: Simplify right side
    4,074.20x = 14,948,949.63
  5. Step 5: Solve for x
    x = 14,948,949.63/4,074.20
  6. Step 6: Final answer
    x = 3,669.18

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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.