Home / 4,070.70-5,617.67-2,278.13

Finding the Fourth Proportional to 4,070.70, 5,617.67 and 2,278.13

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Solution

The fourth proportional to 4,070.70, 5,617.67 and 2,278.13 is: 3,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.70 : 5,617.67 = 2,278.13 : x
  2. Step 2: Convert to fraction form
    4,070.70/5,617.67 = 2,278.13/x
  3. Step 3: Cross multiply
    4,070.70x = 5,617.67 × 2,278.13
  4. Step 4: Simplify right side
    4,070.70x = 12,797,743.08
  5. Step 5: Solve for x
    x = 12,797,743.08/4,070.70
  6. Step 6: Final answer
    x = 3,143.87

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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.