Home / 2,680.24-3,699.12-1,501.44

Finding the Fourth Proportional to 2,680.24, 3,699.12 and 1,501.44

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Solution

The fourth proportional to 2,680.24, 3,699.12 and 1,501.44 is: 2,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.24 : 3,699.12 = 1,501.44 : x
  2. Step 2: Convert to fraction form
    2,680.24/3,699.12 = 1,501.44/x
  3. Step 3: Cross multiply
    2,680.24x = 3,699.12 × 1,501.44
  4. Step 4: Simplify right side
    2,680.24x = 5,554,006.73
  5. Step 5: Solve for x
    x = 5,554,006.73/2,680.24
  6. Step 6: Final answer
    x = 2,072.21

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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.