Home / 2,146.97-3,220.67-587.07

Finding the Fourth Proportional to 2,146.97, 3,220.67 and 587.07

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Solution

The fourth proportional to 2,146.97, 3,220.67 and 587.07 is: 880.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.97 : 3,220.67 = 587.07 : x
  2. Step 2: Convert to fraction form
    2,146.97/3,220.67 = 587.07/x
  3. Step 3: Cross multiply
    2,146.97x = 3,220.67 × 587.07
  4. Step 4: Simplify right side
    2,146.97x = 1,890,760.20
  5. Step 5: Solve for x
    x = 1,890,760.20/2,146.97
  6. Step 6: Final answer
    x = 880.66

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1.5x scale

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.