Home / 1,641.08-2,462.75-667.19

Finding the Fourth Proportional to 1,641.08, 2,462.75 and 667.19

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Solution

The fourth proportional to 1,641.08, 2,462.75 and 667.19 is: 1,001.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641.08 : 2,462.75 = 667.19 : x
  2. Step 2: Convert to fraction form
    1,641.08/2,462.75 = 667.19/x
  3. Step 3: Cross multiply
    1,641.08x = 2,462.75 × 667.19
  4. Step 4: Simplify right side
    1,641.08x = 1,643,106.52
  5. Step 5: Solve for x
    x = 1,643,106.52/1,641.08
  6. Step 6: Final answer
    x = 1,001.24

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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.