Home / 2,465.13-3,402.19-1,580.61

Finding the Fourth Proportional to 2,465.13, 3,402.19 and 1,580.61

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Solution

The fourth proportional to 2,465.13, 3,402.19 and 1,580.61 is: 2,181.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465.13 : 3,402.19 = 1,580.61 : x
  2. Step 2: Convert to fraction form
    2,465.13/3,402.19 = 1,580.61/x
  3. Step 3: Cross multiply
    2,465.13x = 3,402.19 × 1,580.61
  4. Step 4: Simplify right side
    2,465.13x = 5,377,527.63
  5. Step 5: Solve for x
    x = 5,377,527.63/2,465.13
  6. Step 6: Final answer
    x = 2,181.44

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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.