Home / 3,345.38-5,043.73-3,119.53

Finding the Fourth Proportional to 3,345.38, 5,043.73 and 3,119.53

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Solution

The fourth proportional to 3,345.38, 5,043.73 and 3,119.53 is: 4,703.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.38 : 5,043.73 = 3,119.53 : x
  2. Step 2: Convert to fraction form
    3,345.38/5,043.73 = 3,119.53/x
  3. Step 3: Cross multiply
    3,345.38x = 5,043.73 × 3,119.53
  4. Step 4: Simplify right side
    3,345.38x = 15,734,045.05
  5. Step 5: Solve for x
    x = 15,734,045.05/3,345.38
  6. Step 6: Final answer
    x = 4,703.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.