Home / 2,742.02-3,775.70-2,299.15

Finding the Fourth Proportional to 2,742.02, 3,775.70 and 2,299.15

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Solution

The fourth proportional to 2,742.02, 3,775.70 and 2,299.15 is: 3,165.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.02 : 3,775.70 = 2,299.15 : x
  2. Step 2: Convert to fraction form
    2,742.02/3,775.70 = 2,299.15/x
  3. Step 3: Cross multiply
    2,742.02x = 3,775.70 × 2,299.15
  4. Step 4: Simplify right side
    2,742.02x = 8,680,900.66
  5. Step 5: Solve for x
    x = 8,680,900.66/2,742.02
  6. Step 6: Final answer
    x = 3,165.88

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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.