Home / 2,002.12-2,763.29-1,256.74

Finding the Fourth Proportional to 2,002.12, 2,763.29 and 1,256.74

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Solution

The fourth proportional to 2,002.12, 2,763.29 and 1,256.74 is: 1,734.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.12 : 2,763.29 = 1,256.74 : x
  2. Step 2: Convert to fraction form
    2,002.12/2,763.29 = 1,256.74/x
  3. Step 3: Cross multiply
    2,002.12x = 2,763.29 × 1,256.74
  4. Step 4: Simplify right side
    2,002.12x = 3,472,737.07
  5. Step 5: Solve for x
    x = 3,472,737.07/2,002.12
  6. Step 6: Final answer
    x = 1,734.53

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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.