Home / 3,178.95-4,385.46-2,060.25

Finding the Fourth Proportional to 3,178.95, 4,385.46 and 2,060.25

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Solution

The fourth proportional to 3,178.95, 4,385.46 and 2,060.25 is: 2,842.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.95 : 4,385.46 = 2,060.25 : x
  2. Step 2: Convert to fraction form
    3,178.95/4,385.46 = 2,060.25/x
  3. Step 3: Cross multiply
    3,178.95x = 4,385.46 × 2,060.25
  4. Step 4: Simplify right side
    3,178.95x = 9,035,143.97
  5. Step 5: Solve for x
    x = 9,035,143.97/3,178.95
  6. Step 6: Final answer
    x = 2,842.18

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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.