Home / 2,318.30-3,470.40-1,585.82

Finding the Fourth Proportional to 2,318.30, 3,470.40 and 1,585.82

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Solution

The fourth proportional to 2,318.30, 3,470.40 and 1,585.82 is: 2,373.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.30 : 3,470.40 = 1,585.82 : x
  2. Step 2: Convert to fraction form
    2,318.30/3,470.40 = 1,585.82/x
  3. Step 3: Cross multiply
    2,318.30x = 3,470.40 × 1,585.82
  4. Step 4: Simplify right side
    2,318.30x = 5,503,429.73
  5. Step 5: Solve for x
    x = 5,503,429.73/2,318.30
  6. Step 6: Final answer
    x = 2,373.91

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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.