Home / 3,114.14-4,291.60-2,228.40

Finding the Fourth Proportional to 3,114.14, 4,291.60 and 2,228.40

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Solution

The fourth proportional to 3,114.14, 4,291.60 and 2,228.40 is: 3,070.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.14 : 4,291.60 = 2,228.40 : x
  2. Step 2: Convert to fraction form
    3,114.14/4,291.60 = 2,228.40/x
  3. Step 3: Cross multiply
    3,114.14x = 4,291.60 × 2,228.40
  4. Step 4: Simplify right side
    3,114.14x = 9,563,401.44
  5. Step 5: Solve for x
    x = 9,563,401.44/3,114.14
  6. Step 6: Final answer
    x = 3,070.96

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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.