Home / 3,617.67-4,987.56-2,874.09

Finding the Fourth Proportional to 3,617.67, 4,987.56 and 2,874.09

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Solution

The fourth proportional to 3,617.67, 4,987.56 and 2,874.09 is: 3,962.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.67 : 4,987.56 = 2,874.09 : x
  2. Step 2: Convert to fraction form
    3,617.67/4,987.56 = 2,874.09/x
  3. Step 3: Cross multiply
    3,617.67x = 4,987.56 × 2,874.09
  4. Step 4: Simplify right side
    3,617.67x = 14,334,696.32
  5. Step 5: Solve for x
    x = 14,334,696.32/3,617.67
  6. Step 6: Final answer
    x = 3,962.41

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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.