Home / 3,381.42-4,665.78-2,260.56

Finding the Fourth Proportional to 3,381.42, 4,665.78 and 2,260.56

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Solution

The fourth proportional to 3,381.42, 4,665.78 and 2,260.56 is: 3,119.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.42 : 4,665.78 = 2,260.56 : x
  2. Step 2: Convert to fraction form
    3,381.42/4,665.78 = 2,260.56/x
  3. Step 3: Cross multiply
    3,381.42x = 4,665.78 × 2,260.56
  4. Step 4: Simplify right side
    3,381.42x = 10,547,275.64
  5. Step 5: Solve for x
    x = 10,547,275.64/3,381.42
  6. Step 6: Final answer
    x = 3,119.19

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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.