Home / 2,072.70-3,109.28-1,032.97

Finding the Fourth Proportional to 2,072.70, 3,109.28 and 1,032.97

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Solution

The fourth proportional to 2,072.70, 3,109.28 and 1,032.97 is: 1,549.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.70 : 3,109.28 = 1,032.97 : x
  2. Step 2: Convert to fraction form
    2,072.70/3,109.28 = 1,032.97/x
  3. Step 3: Cross multiply
    2,072.70x = 3,109.28 × 1,032.97
  4. Step 4: Simplify right side
    2,072.70x = 3,211,792.96
  5. Step 5: Solve for x
    x = 3,211,792.96/2,072.70
  6. Step 6: Final answer
    x = 1,549.57

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1.5x scale

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.