Home / 3,569.26-5,353.90-2,106.40

Finding the Fourth Proportional to 3,569.26, 5,353.90 and 2,106.40

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Solution

The fourth proportional to 3,569.26, 5,353.90 and 2,106.40 is: 3,159.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.26 : 5,353.90 = 2,106.40 : x
  2. Step 2: Convert to fraction form
    3,569.26/5,353.90 = 2,106.40/x
  3. Step 3: Cross multiply
    3,569.26x = 5,353.90 × 2,106.40
  4. Step 4: Simplify right side
    3,569.26x = 11,277,454.96
  5. Step 5: Solve for x
    x = 11,277,454.96/3,569.26
  6. Step 6: Final answer
    x = 3,159.61

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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.