Home / 2,170.46-3,248.00-1,349.12

Finding the Fourth Proportional to 2,170.46, 3,248.00 and 1,349.12

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Solution

The fourth proportional to 2,170.46, 3,248.00 and 1,349.12 is: 2,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.46 : 3,248.00 = 1,349.12 : x
  2. Step 2: Convert to fraction form
    2,170.46/3,248.00 = 1,349.12/x
  3. Step 3: Cross multiply
    2,170.46x = 3,248.00 × 1,349.12
  4. Step 4: Simplify right side
    2,170.46x = 4,381,948.19
  5. Step 5: Solve for x
    x = 4,381,948.19/2,170.46
  6. Step 6: Final answer
    x = 2,018.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.