Home / 3,648.13-5,034.22-2,156.19

Finding the Fourth Proportional to 3,648.13, 5,034.22 and 2,156.19

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Solution

The fourth proportional to 3,648.13, 5,034.22 and 2,156.19 is: 2,975.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.13 : 5,034.22 = 2,156.19 : x
  2. Step 2: Convert to fraction form
    3,648.13/5,034.22 = 2,156.19/x
  3. Step 3: Cross multiply
    3,648.13x = 5,034.22 × 2,156.19
  4. Step 4: Simplify right side
    3,648.13x = 10,854,711.46
  5. Step 5: Solve for x
    x = 10,854,711.46/3,648.13
  6. Step 6: Final answer
    x = 2,975.42

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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.