Home / 2,685.62-3,706.26-1,567.28

Finding the Fourth Proportional to 2,685.62, 3,706.26 and 1,567.28

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Solution

The fourth proportional to 2,685.62, 3,706.26 and 1,567.28 is: 2,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.62 : 3,706.26 = 1,567.28 : x
  2. Step 2: Convert to fraction form
    2,685.62/3,706.26 = 1,567.28/x
  3. Step 3: Cross multiply
    2,685.62x = 3,706.26 × 1,567.28
  4. Step 4: Simplify right side
    2,685.62x = 5,808,747.17
  5. Step 5: Solve for x
    x = 5,808,747.17/2,685.62
  6. Step 6: Final answer
    x = 2,162.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.