Home / 2,002.12-2,763.68-1,506.20

Finding the Fourth Proportional to 2,002.12, 2,763.68 and 1,506.20

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Solution

The fourth proportional to 2,002.12, 2,763.68 and 1,506.20 is: 2,079.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.12 : 2,763.68 = 1,506.20 : x
  2. Step 2: Convert to fraction form
    2,002.12/2,763.68 = 1,506.20/x
  3. Step 3: Cross multiply
    2,002.12x = 2,763.68 × 1,506.20
  4. Step 4: Simplify right side
    2,002.12x = 4,162,633.47
  5. Step 5: Solve for x
    x = 4,162,633.47/2,002.12
  6. Step 6: Final answer
    x = 2,079.12

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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.