Home / 3,139.37-4,701.62-2,726.26

Finding the Fourth Proportional to 3,139.37, 4,701.62 and 2,726.26

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Solution

The fourth proportional to 3,139.37, 4,701.62 and 2,726.26 is: 4,082.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.37 : 4,701.62 = 2,726.26 : x
  2. Step 2: Convert to fraction form
    3,139.37/4,701.62 = 2,726.26/x
  3. Step 3: Cross multiply
    3,139.37x = 4,701.62 × 2,726.26
  4. Step 4: Simplify right side
    3,139.37x = 12,817,838.54
  5. Step 5: Solve for x
    x = 12,817,838.54/3,139.37
  6. Step 6: Final answer
    x = 4,082.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.