Home / 3,026.80-4,178.10-2,657.71

Finding the Fourth Proportional to 3,026.80, 4,178.10 and 2,657.71

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Solution

The fourth proportional to 3,026.80, 4,178.10 and 2,657.71 is: 3,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.80 : 4,178.10 = 2,657.71 : x
  2. Step 2: Convert to fraction form
    3,026.80/4,178.10 = 2,657.71/x
  3. Step 3: Cross multiply
    3,026.80x = 4,178.10 × 2,657.71
  4. Step 4: Simplify right side
    3,026.80x = 11,104,178.15
  5. Step 5: Solve for x
    x = 11,104,178.15/3,026.80
  6. Step 6: Final answer
    x = 3,668.62

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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.