Home / 1,982.61-2,734.76-1,588.95

Finding the Fourth Proportional to 1,982.61, 2,734.76 and 1,588.95

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Solution

The fourth proportional to 1,982.61, 2,734.76 and 1,588.95 is: 2,191.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.61 : 2,734.76 = 1,588.95 : x
  2. Step 2: Convert to fraction form
    1,982.61/2,734.76 = 1,588.95/x
  3. Step 3: Cross multiply
    1,982.61x = 2,734.76 × 1,588.95
  4. Step 4: Simplify right side
    1,982.61x = 4,345,400.87
  5. Step 5: Solve for x
    x = 4,345,400.87/1,982.61
  6. Step 6: Final answer
    x = 2,191.76

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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.