Home / 1,660.02-2,306.88-1,639.37

Finding the Fourth Proportional to 1,660.02, 2,306.88 and 1,639.37

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Solution

The fourth proportional to 1,660.02, 2,306.88 and 1,639.37 is: 2,278.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.02 : 2,306.88 = 1,639.37 : x
  2. Step 2: Convert to fraction form
    1,660.02/2,306.88 = 1,639.37/x
  3. Step 3: Cross multiply
    1,660.02x = 2,306.88 × 1,639.37
  4. Step 4: Simplify right side
    1,660.02x = 3,781,818.33
  5. Step 5: Solve for x
    x = 3,781,818.33/1,660.02
  6. Step 6: Final answer
    x = 2,278.18

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.