Home / 2,072.76-3,111.45-1,032.48

Finding the Fourth Proportional to 2,072.76, 3,111.45 and 1,032.48

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Solution

The fourth proportional to 2,072.76, 3,111.45 and 1,032.48 is: 1,549.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.76 : 3,111.45 = 1,032.48 : x
  2. Step 2: Convert to fraction form
    2,072.76/3,111.45 = 1,032.48/x
  3. Step 3: Cross multiply
    2,072.76x = 3,111.45 × 1,032.48
  4. Step 4: Simplify right side
    2,072.76x = 3,212,509.90
  5. Step 5: Solve for x
    x = 3,212,509.90/2,072.76
  6. Step 6: Final answer
    x = 1,549.87

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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.