Home / 3,731.34-5,145.75-2,947.26

Finding the Fourth Proportional to 3,731.34, 5,145.75 and 2,947.26

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Solution

The fourth proportional to 3,731.34, 5,145.75 and 2,947.26 is: 4,064.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.34 : 5,145.75 = 2,947.26 : x
  2. Step 2: Convert to fraction form
    3,731.34/5,145.75 = 2,947.26/x
  3. Step 3: Cross multiply
    3,731.34x = 5,145.75 × 2,947.26
  4. Step 4: Simplify right side
    3,731.34x = 15,165,863.15
  5. Step 5: Solve for x
    x = 15,165,863.15/3,731.34
  6. Step 6: Final answer
    x = 4,064.45

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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.