Home / 2,330.06-3,495.24-869.21

Finding the Fourth Proportional to 2,330.06, 3,495.24 and 869.21

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Solution

The fourth proportional to 2,330.06, 3,495.24 and 869.21 is: 1,303.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.06 : 3,495.24 = 869.21 : x
  2. Step 2: Convert to fraction form
    2,330.06/3,495.24 = 869.21/x
  3. Step 3: Cross multiply
    2,330.06x = 3,495.24 × 869.21
  4. Step 4: Simplify right side
    2,330.06x = 3,038,080.08
  5. Step 5: Solve for x
    x = 3,038,080.08/2,330.06
  6. Step 6: Final answer
    x = 1,303.87

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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.