Home / 2,053.29-3,077.09-1,778.70

Finding the Fourth Proportional to 2,053.29, 3,077.09 and 1,778.70

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Solution

The fourth proportional to 2,053.29, 3,077.09 and 1,778.70 is: 2,665.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.29 : 3,077.09 = 1,778.70 : x
  2. Step 2: Convert to fraction form
    2,053.29/3,077.09 = 1,778.70/x
  3. Step 3: Cross multiply
    2,053.29x = 3,077.09 × 1,778.70
  4. Step 4: Simplify right side
    2,053.29x = 5,473,211.09
  5. Step 5: Solve for x
    x = 5,473,211.09/2,053.29
  6. Step 6: Final answer
    x = 2,665.58

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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.