Home / 2,567.64-3,545.37-1,911.54

Finding the Fourth Proportional to 2,567.64, 3,545.37 and 1,911.54

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Solution

The fourth proportional to 2,567.64, 3,545.37 and 1,911.54 is: 2,639.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567.64 : 3,545.37 = 1,911.54 : x
  2. Step 2: Convert to fraction form
    2,567.64/3,545.37 = 1,911.54/x
  3. Step 3: Cross multiply
    2,567.64x = 3,545.37 × 1,911.54
  4. Step 4: Simplify right side
    2,567.64x = 6,777,116.57
  5. Step 5: Solve for x
    x = 6,777,116.57/2,567.64
  6. Step 6: Final answer
    x = 2,639.43

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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.