Home / 2,646.11-3,652.50-1,761.79

Finding the Fourth Proportional to 2,646.11, 3,652.50 and 1,761.79

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Solution

The fourth proportional to 2,646.11, 3,652.50 and 1,761.79 is: 2,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646.11 : 3,652.50 = 1,761.79 : x
  2. Step 2: Convert to fraction form
    2,646.11/3,652.50 = 1,761.79/x
  3. Step 3: Cross multiply
    2,646.11x = 3,652.50 × 1,761.79
  4. Step 4: Simplify right side
    2,646.11x = 6,434,919.71
  5. Step 5: Solve for x
    x = 6,434,919.71/2,646.11
  6. Step 6: Final answer
    x = 2,431.85

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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.