Home / 2,428.05-3,349.11-2,243.51

Finding the Fourth Proportional to 2,428.05, 3,349.11 and 2,243.51

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Solution

The fourth proportional to 2,428.05, 3,349.11 and 2,243.51 is: 3,094.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.05 : 3,349.11 = 2,243.51 : x
  2. Step 2: Convert to fraction form
    2,428.05/3,349.11 = 2,243.51/x
  3. Step 3: Cross multiply
    2,428.05x = 3,349.11 × 2,243.51
  4. Step 4: Simplify right side
    2,428.05x = 7,513,761.78
  5. Step 5: Solve for x
    x = 7,513,761.78/2,428.05
  6. Step 6: Final answer
    x = 3,094.57

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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.