Home / 2,077.13-2,866.44-1,145.63

Finding the Fourth Proportional to 2,077.13, 2,866.44 and 1,145.63

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Solution

The fourth proportional to 2,077.13, 2,866.44 and 1,145.63 is: 1,580.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.13 : 2,866.44 = 1,145.63 : x
  2. Step 2: Convert to fraction form
    2,077.13/2,866.44 = 1,145.63/x
  3. Step 3: Cross multiply
    2,077.13x = 2,866.44 × 1,145.63
  4. Step 4: Simplify right side
    2,077.13x = 3,283,865.33
  5. Step 5: Solve for x
    x = 3,283,865.33/2,077.13
  6. Step 6: Final answer
    x = 1,580.97

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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.