Home / 3,048.20-4,206.50-1,650.95

Finding the Fourth Proportional to 3,048.20, 4,206.50 and 1,650.95

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Solution

The fourth proportional to 3,048.20, 4,206.50 and 1,650.95 is: 2,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.20 : 4,206.50 = 1,650.95 : x
  2. Step 2: Convert to fraction form
    3,048.20/4,206.50 = 1,650.95/x
  3. Step 3: Cross multiply
    3,048.20x = 4,206.50 × 1,650.95
  4. Step 4: Simplify right side
    3,048.20x = 6,944,691.89
  5. Step 5: Solve for x
    x = 6,944,691.89/3,048.20
  6. Step 6: Final answer
    x = 2,278.30

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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.