Home / 3,982.60-5,495.95-2,214.19

Finding the Fourth Proportional to 3,982.60, 5,495.95 and 2,214.19

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Solution

The fourth proportional to 3,982.60, 5,495.95 and 2,214.19 is: 3,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.60 : 5,495.95 = 2,214.19 : x
  2. Step 2: Convert to fraction form
    3,982.60/5,495.95 = 2,214.19/x
  3. Step 3: Cross multiply
    3,982.60x = 5,495.95 × 2,214.19
  4. Step 4: Simplify right side
    3,982.60x = 12,169,077.53
  5. Step 5: Solve for x
    x = 12,169,077.53/3,982.60
  6. Step 6: Final answer
    x = 3,055.56

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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.