Home / 3,776.70-5,210.31-2,726.46

Finding the Fourth Proportional to 3,776.70, 5,210.31 and 2,726.46

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Solution

The fourth proportional to 3,776.70, 5,210.31 and 2,726.46 is: 3,761.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.70 : 5,210.31 = 2,726.46 : x
  2. Step 2: Convert to fraction form
    3,776.70/5,210.31 = 2,726.46/x
  3. Step 3: Cross multiply
    3,776.70x = 5,210.31 × 2,726.46
  4. Step 4: Simplify right side
    3,776.70x = 14,205,701.80
  5. Step 5: Solve for x
    x = 14,205,701.80/3,776.70
  6. Step 6: Final answer
    x = 3,761.41

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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.