Home / 2,680.88-3,699.68-1,502.19

Finding the Fourth Proportional to 2,680.88, 3,699.68 and 1,502.19

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Solution

The fourth proportional to 2,680.88, 3,699.68 and 1,502.19 is: 2,073.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.88 : 3,699.68 = 1,502.19 : x
  2. Step 2: Convert to fraction form
    2,680.88/3,699.68 = 1,502.19/x
  3. Step 3: Cross multiply
    2,680.88x = 3,699.68 × 1,502.19
  4. Step 4: Simplify right side
    2,680.88x = 5,557,622.30
  5. Step 5: Solve for x
    x = 5,557,622.30/2,680.88
  6. Step 6: Final answer
    x = 2,073.06

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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.