Home / 3,314.61-4,971.69-2,391.84

Finding the Fourth Proportional to 3,314.61, 4,971.69 and 2,391.84

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Solution

The fourth proportional to 3,314.61, 4,971.69 and 2,391.84 is: 3,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.61 : 4,971.69 = 2,391.84 : x
  2. Step 2: Convert to fraction form
    3,314.61/4,971.69 = 2,391.84/x
  3. Step 3: Cross multiply
    3,314.61x = 4,971.69 × 2,391.84
  4. Step 4: Simplify right side
    3,314.61x = 11,891,487.01
  5. Step 5: Solve for x
    x = 11,891,487.01/3,314.61
  6. Step 6: Final answer
    x = 3,587.60

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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.