Home / 2,380.11-3,569.65-1,684.82

Finding the Fourth Proportional to 2,380.11, 3,569.65 and 1,684.82

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Solution

The fourth proportional to 2,380.11, 3,569.65 and 1,684.82 is: 2,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.11 : 3,569.65 = 1,684.82 : x
  2. Step 2: Convert to fraction form
    2,380.11/3,569.65 = 1,684.82/x
  3. Step 3: Cross multiply
    2,380.11x = 3,569.65 × 1,684.82
  4. Step 4: Simplify right side
    2,380.11x = 6,014,217.71
  5. Step 5: Solve for x
    x = 6,014,217.71/2,380.11
  6. Step 6: Final answer
    x = 2,526.87

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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.