Home / 1,660.47-2,486.85-1,349.16

Finding the Fourth Proportional to 1,660.47, 2,486.85 and 1,349.16

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Solution

The fourth proportional to 1,660.47, 2,486.85 and 1,349.16 is: 2,020.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.47 : 2,486.85 = 1,349.16 : x
  2. Step 2: Convert to fraction form
    1,660.47/2,486.85 = 1,349.16/x
  3. Step 3: Cross multiply
    1,660.47x = 2,486.85 × 1,349.16
  4. Step 4: Simplify right side
    1,660.47x = 3,355,158.55
  5. Step 5: Solve for x
    x = 3,355,158.55/1,660.47
  6. Step 6: Final answer
    x = 2,020.61

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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.