Home / 2,278.16-3,412.94-1,301.32

Finding the Fourth Proportional to 2,278.16, 3,412.94 and 1,301.32

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Solution

The fourth proportional to 2,278.16, 3,412.94 and 1,301.32 is: 1,949.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.16 : 3,412.94 = 1,301.32 : x
  2. Step 2: Convert to fraction form
    2,278.16/3,412.94 = 1,301.32/x
  3. Step 3: Cross multiply
    2,278.16x = 3,412.94 × 1,301.32
  4. Step 4: Simplify right side
    2,278.16x = 4,441,327.08
  5. Step 5: Solve for x
    x = 4,441,327.08/2,278.16
  6. Step 6: Final answer
    x = 1,949.52

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1.5x scale

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.