Home / 2,278.01-3,123.14-2,236.49

Finding the Fourth Proportional to 2,278.01, 3,123.14 and 2,236.49

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Solution

The fourth proportional to 2,278.01, 3,123.14 and 2,236.49 is: 3,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.01 : 3,123.14 = 2,236.49 : x
  2. Step 2: Convert to fraction form
    2,278.01/3,123.14 = 2,236.49/x
  3. Step 3: Cross multiply
    2,278.01x = 3,123.14 × 2,236.49
  4. Step 4: Simplify right side
    2,278.01x = 6,984,861.35
  5. Step 5: Solve for x
    x = 6,984,861.35/2,278.01
  6. Step 6: Final answer
    x = 3,066.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.