Home / 2,638.97-3,641.79-1,460.08

Finding the Fourth Proportional to 2,638.97, 3,641.79 and 1,460.08

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Solution

The fourth proportional to 2,638.97, 3,641.79 and 1,460.08 is: 2,014.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638.97 : 3,641.79 = 1,460.08 : x
  2. Step 2: Convert to fraction form
    2,638.97/3,641.79 = 1,460.08/x
  3. Step 3: Cross multiply
    2,638.97x = 3,641.79 × 1,460.08
  4. Step 4: Simplify right side
    2,638.97x = 5,317,304.74
  5. Step 5: Solve for x
    x = 5,317,304.74/2,638.97
  6. Step 6: Final answer
    x = 2,014.92

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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.