Home / 1,999.27-2,756.19-1,252.72

Finding the Fourth Proportional to 1,999.27, 2,756.19 and 1,252.72

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Solution

The fourth proportional to 1,999.27, 2,756.19 and 1,252.72 is: 1,727.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999.27 : 2,756.19 = 1,252.72 : x
  2. Step 2: Convert to fraction form
    1,999.27/2,756.19 = 1,252.72/x
  3. Step 3: Cross multiply
    1,999.27x = 2,756.19 × 1,252.72
  4. Step 4: Simplify right side
    1,999.27x = 3,452,734.34
  5. Step 5: Solve for x
    x = 3,452,734.34/1,999.27
  6. Step 6: Final answer
    x = 1,727.00

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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.