Home / 2,002.85-2,763.07-1,256.30

Finding the Fourth Proportional to 2,002.85, 2,763.07 and 1,256.30

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Solution

The fourth proportional to 2,002.85, 2,763.07 and 1,256.30 is: 1,733.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.85 : 2,763.07 = 1,256.30 : x
  2. Step 2: Convert to fraction form
    2,002.85/2,763.07 = 1,256.30/x
  3. Step 3: Cross multiply
    2,002.85x = 2,763.07 × 1,256.30
  4. Step 4: Simplify right side
    2,002.85x = 3,471,244.84
  5. Step 5: Solve for x
    x = 3,471,244.84/2,002.85
  6. Step 6: Final answer
    x = 1,733.15

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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.