Home / 2,083.10-3,125.19-1,218.02

Finding the Fourth Proportional to 2,083.10, 3,125.19 and 1,218.02

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Solution

The fourth proportional to 2,083.10, 3,125.19 and 1,218.02 is: 1,827.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.10 : 3,125.19 = 1,218.02 : x
  2. Step 2: Convert to fraction form
    2,083.10/3,125.19 = 1,218.02/x
  3. Step 3: Cross multiply
    2,083.10x = 3,125.19 × 1,218.02
  4. Step 4: Simplify right side
    2,083.10x = 3,806,543.92
  5. Step 5: Solve for x
    x = 3,806,543.92/2,083.10
  6. Step 6: Final answer
    x = 1,827.35

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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.