Home / 2,638.75-3,641.16-1,459.66

Finding the Fourth Proportional to 2,638.75, 3,641.16 and 1,459.66

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Solution

The fourth proportional to 2,638.75, 3,641.16 and 1,459.66 is: 2,014.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638.75 : 3,641.16 = 1,459.66 : x
  2. Step 2: Convert to fraction form
    2,638.75/3,641.16 = 1,459.66/x
  3. Step 3: Cross multiply
    2,638.75x = 3,641.16 × 1,459.66
  4. Step 4: Simplify right side
    2,638.75x = 5,314,855.61
  5. Step 5: Solve for x
    x = 5,314,855.61/2,638.75
  6. Step 6: Final answer
    x = 2,014.16

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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.