Home / 3,689.18-5,534.33-1,223.44

Finding the Fourth Proportional to 3,689.18, 5,534.33 and 1,223.44

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Solution

The fourth proportional to 3,689.18, 5,534.33 and 1,223.44 is: 1,835.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.18 : 5,534.33 = 1,223.44 : x
  2. Step 2: Convert to fraction form
    3,689.18/5,534.33 = 1,223.44/x
  3. Step 3: Cross multiply
    3,689.18x = 5,534.33 × 1,223.44
  4. Step 4: Simplify right side
    3,689.18x = 6,770,900.74
  5. Step 5: Solve for x
    x = 6,770,900.74/3,689.18
  6. Step 6: Final answer
    x = 1,835.34

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1.5x scale

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.