Home / 3,567.28-4,927.80-2,689.84

Finding the Fourth Proportional to 3,567.28, 4,927.80 and 2,689.84

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Solution

The fourth proportional to 3,567.28, 4,927.80 and 2,689.84 is: 3,715.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,567.28 : 4,927.80 = 2,689.84 : x
  2. Step 2: Convert to fraction form
    3,567.28/4,927.80 = 2,689.84/x
  3. Step 3: Cross multiply
    3,567.28x = 4,927.80 × 2,689.84
  4. Step 4: Simplify right side
    3,567.28x = 13,254,993.55
  5. Step 5: Solve for x
    x = 13,254,993.55/3,567.28
  6. Step 6: Final answer
    x = 3,715.71

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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.