Home / 2,318.55-3,477.75-675.12

Finding the Fourth Proportional to 2,318.55, 3,477.75 and 675.12

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Solution

The fourth proportional to 2,318.55, 3,477.75 and 675.12 is: 1,012.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.55 : 3,477.75 = 675.12 : x
  2. Step 2: Convert to fraction form
    2,318.55/3,477.75 = 675.12/x
  3. Step 3: Cross multiply
    2,318.55x = 3,477.75 × 675.12
  4. Step 4: Simplify right side
    2,318.55x = 2,347,898.58
  5. Step 5: Solve for x
    x = 2,347,898.58/2,318.55
  6. Step 6: Final answer
    x = 1,012.66

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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.