Home / 2,014.77-2,781.29-1,229.13

Finding the Fourth Proportional to 2,014.77, 2,781.29 and 1,229.13

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Solution

The fourth proportional to 2,014.77, 2,781.29 and 1,229.13 is: 1,696.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.77 : 2,781.29 = 1,229.13 : x
  2. Step 2: Convert to fraction form
    2,014.77/2,781.29 = 1,229.13/x
  3. Step 3: Cross multiply
    2,014.77x = 2,781.29 × 1,229.13
  4. Step 4: Simplify right side
    2,014.77x = 3,418,560.83
  5. Step 5: Solve for x
    x = 3,418,560.83/2,014.77
  6. Step 6: Final answer
    x = 1,696.75

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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.