Home / 3,689.35-5,532.22-1,223.34

Finding the Fourth Proportional to 3,689.35, 5,532.22 and 1,223.34

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Solution

The fourth proportional to 3,689.35, 5,532.22 and 1,223.34 is: 1,834.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.35 : 5,532.22 = 1,223.34 : x
  2. Step 2: Convert to fraction form
    3,689.35/5,532.22 = 1,223.34/x
  3. Step 3: Cross multiply
    3,689.35x = 5,532.22 × 1,223.34
  4. Step 4: Simplify right side
    3,689.35x = 6,767,759.92
  5. Step 5: Solve for x
    x = 6,767,759.92/3,689.35
  6. Step 6: Final answer
    x = 1,834.41

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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.