Home / 2,330.10-3,494.79-869.00

Finding the Fourth Proportional to 2,330.10, 3,494.79 and 869.00

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Solution

The fourth proportional to 2,330.10, 3,494.79 and 869.00 is: 1,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.10 : 3,494.79 = 869.00 : x
  2. Step 2: Convert to fraction form
    2,330.10/3,494.79 = 869.00/x
  3. Step 3: Cross multiply
    2,330.10x = 3,494.79 × 869.00
  4. Step 4: Simplify right side
    2,330.10x = 3,036,955.04
  5. Step 5: Solve for x
    x = 3,036,955.04/2,330.10
  6. Step 6: Final answer
    x = 1,303.36

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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.