Home / 2,343.09-3,233.45-1,399.31

Finding the Fourth Proportional to 2,343.09, 3,233.45 and 1,399.31

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Solution

The fourth proportional to 2,343.09, 3,233.45 and 1,399.31 is: 1,931.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.09 : 3,233.45 = 1,399.31 : x
  2. Step 2: Convert to fraction form
    2,343.09/3,233.45 = 1,399.31/x
  3. Step 3: Cross multiply
    2,343.09x = 3,233.45 × 1,399.31
  4. Step 4: Simplify right side
    2,343.09x = 4,524,598.38
  5. Step 5: Solve for x
    x = 4,524,598.38/2,343.09
  6. Step 6: Final answer
    x = 1,931.04

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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.