Home / 1,641.38-2,264.36-1,110.08

Finding the Fourth Proportional to 1,641.38, 2,264.36 and 1,110.08

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Solution

The fourth proportional to 1,641.38, 2,264.36 and 1,110.08 is: 1,531.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641.38 : 2,264.36 = 1,110.08 : x
  2. Step 2: Convert to fraction form
    1,641.38/2,264.36 = 1,110.08/x
  3. Step 3: Cross multiply
    1,641.38x = 2,264.36 × 1,110.08
  4. Step 4: Simplify right side
    1,641.38x = 2,513,620.86
  5. Step 5: Solve for x
    x = 2,513,620.86/1,641.38
  6. Step 6: Final answer
    x = 1,531.41

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1.5x scale

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.