Home / 2,330.96-3,494.16-869.31

Finding the Fourth Proportional to 2,330.96, 3,494.16 and 869.31

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Solution

The fourth proportional to 2,330.96, 3,494.16 and 869.31 is: 1,303.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.96 : 3,494.16 = 869.31 : x
  2. Step 2: Convert to fraction form
    2,330.96/3,494.16 = 869.31/x
  3. Step 3: Cross multiply
    2,330.96x = 3,494.16 × 869.31
  4. Step 4: Simplify right side
    2,330.96x = 3,037,508.23
  5. Step 5: Solve for x
    x = 3,037,508.23/2,330.96
  6. Step 6: Final answer
    x = 1,303.12

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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.