Home / 2,865.77-3,954.58-1,747.29

Finding the Fourth Proportional to 2,865.77, 3,954.58 and 1,747.29

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Solution

The fourth proportional to 2,865.77, 3,954.58 and 1,747.29 is: 2,411.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.77 : 3,954.58 = 1,747.29 : x
  2. Step 2: Convert to fraction form
    2,865.77/3,954.58 = 1,747.29/x
  3. Step 3: Cross multiply
    2,865.77x = 3,954.58 × 1,747.29
  4. Step 4: Simplify right side
    2,865.77x = 6,909,793.72
  5. Step 5: Solve for x
    x = 6,909,793.72/2,865.77
  6. Step 6: Final answer
    x = 2,411.15

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1.5x scale

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.