Home / 2,641.11-3,646.43-1,697.31

Finding the Fourth Proportional to 2,641.11, 3,646.43 and 1,697.31

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Solution

The fourth proportional to 2,641.11, 3,646.43 and 1,697.31 is: 2,343.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641.11 : 3,646.43 = 1,697.31 : x
  2. Step 2: Convert to fraction form
    2,641.11/3,646.43 = 1,697.31/x
  3. Step 3: Cross multiply
    2,641.11x = 3,646.43 × 1,697.31
  4. Step 4: Simplify right side
    2,641.11x = 6,189,122.10
  5. Step 5: Solve for x
    x = 6,189,122.10/2,641.11
  6. Step 6: Final answer
    x = 2,343.38

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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.