Home / 2,428.03-3,641.64-867.70

Finding the Fourth Proportional to 2,428.03, 3,641.64 and 867.70

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Solution

The fourth proportional to 2,428.03, 3,641.64 and 867.70 is: 1,301.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.03 : 3,641.64 = 867.70 : x
  2. Step 2: Convert to fraction form
    2,428.03/3,641.64 = 867.70/x
  3. Step 3: Cross multiply
    2,428.03x = 3,641.64 × 867.70
  4. Step 4: Simplify right side
    2,428.03x = 3,159,851.03
  5. Step 5: Solve for x
    x = 3,159,851.03/2,428.03
  6. Step 6: Final answer
    x = 1,301.41

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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.