Home / 3,023.11-4,171.51-1,764.47

Finding the Fourth Proportional to 3,023.11, 4,171.51 and 1,764.47

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Solution

The fourth proportional to 3,023.11, 4,171.51 and 1,764.47 is: 2,434.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.11 : 4,171.51 = 1,764.47 : x
  2. Step 2: Convert to fraction form
    3,023.11/4,171.51 = 1,764.47/x
  3. Step 3: Cross multiply
    3,023.11x = 4,171.51 × 1,764.47
  4. Step 4: Simplify right side
    3,023.11x = 7,360,516.88
  5. Step 5: Solve for x
    x = 7,360,516.88/3,023.11
  6. Step 6: Final answer
    x = 2,434.75

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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.