Home / 3,688.12-5,532.27-1,223.11

Finding the Fourth Proportional to 3,688.12, 5,532.27 and 1,223.11

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Solution

The fourth proportional to 3,688.12, 5,532.27 and 1,223.11 is: 1,834.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.12 : 5,532.27 = 1,223.11 : x
  2. Step 2: Convert to fraction form
    3,688.12/5,532.27 = 1,223.11/x
  3. Step 3: Cross multiply
    3,688.12x = 5,532.27 × 1,223.11
  4. Step 4: Simplify right side
    3,688.12x = 6,766,574.76
  5. Step 5: Solve for x
    x = 6,766,574.76/3,688.12
  6. Step 6: Final answer
    x = 1,834.69

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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.