Home / 2,331.17-3,494.31-869.73

Finding the Fourth Proportional to 2,331.17, 3,494.31 and 869.73

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Solution

The fourth proportional to 2,331.17, 3,494.31 and 869.73 is: 1,303.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.17 : 3,494.31 = 869.73 : x
  2. Step 2: Convert to fraction form
    2,331.17/3,494.31 = 869.73/x
  3. Step 3: Cross multiply
    2,331.17x = 3,494.31 × 869.73
  4. Step 4: Simplify right side
    2,331.17x = 3,039,106.24
  5. Step 5: Solve for x
    x = 3,039,106.24/2,331.17
  6. Step 6: Final answer
    x = 1,303.69

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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.