Home / 2,030.20-3,045.30-731.14

Finding the Fourth Proportional to 2,030.20, 3,045.30 and 731.14

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Solution

The fourth proportional to 2,030.20, 3,045.30 and 731.14 is: 1,096.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.20 : 3,045.30 = 731.14 : x
  2. Step 2: Convert to fraction form
    2,030.20/3,045.30 = 731.14/x
  3. Step 3: Cross multiply
    2,030.20x = 3,045.30 × 731.14
  4. Step 4: Simplify right side
    2,030.20x = 2,226,540.64
  5. Step 5: Solve for x
    x = 2,226,540.64/2,030.20
  6. Step 6: Final answer
    x = 1,096.71

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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.