Home / 2,686.10-3,706.76-1,567.76

Finding the Fourth Proportional to 2,686.10, 3,706.76 and 1,567.76

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Solution

The fourth proportional to 2,686.10, 3,706.76 and 1,567.76 is: 2,163.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.10 : 3,706.76 = 1,567.76 : x
  2. Step 2: Convert to fraction form
    2,686.10/3,706.76 = 1,567.76/x
  3. Step 3: Cross multiply
    2,686.10x = 3,706.76 × 1,567.76
  4. Step 4: Simplify right side
    2,686.10x = 5,811,295.44
  5. Step 5: Solve for x
    x = 5,811,295.44/2,686.10
  6. Step 6: Final answer
    x = 2,163.47

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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.