Home / 2,077.06-2,863.65-1,721.68

Finding the Fourth Proportional to 2,077.06, 2,863.65 and 1,721.68

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Solution

The fourth proportional to 2,077.06, 2,863.65 and 1,721.68 is: 2,373.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.06 : 2,863.65 = 1,721.68 : x
  2. Step 2: Convert to fraction form
    2,077.06/2,863.65 = 1,721.68/x
  3. Step 3: Cross multiply
    2,077.06x = 2,863.65 × 1,721.68
  4. Step 4: Simplify right side
    2,077.06x = 4,930,288.93
  5. Step 5: Solve for x
    x = 4,930,288.93/2,077.06
  6. Step 6: Final answer
    x = 2,373.69

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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.