Home / 2,731.28-3,765.51-2,357.46

Finding the Fourth Proportional to 2,731.28, 3,765.51 and 2,357.46

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Solution

The fourth proportional to 2,731.28, 3,765.51 and 2,357.46 is: 3,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.28 : 3,765.51 = 2,357.46 : x
  2. Step 2: Convert to fraction form
    2,731.28/3,765.51 = 2,357.46/x
  3. Step 3: Cross multiply
    2,731.28x = 3,765.51 × 2,357.46
  4. Step 4: Simplify right side
    2,731.28x = 8,877,039.20
  5. Step 5: Solve for x
    x = 8,877,039.20/2,731.28
  6. Step 6: Final answer
    x = 3,250.14

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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.