Home / 1,617.46-2,233.62-1,557.28

Finding the Fourth Proportional to 1,617.46, 2,233.62 and 1,557.28

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Solution

The fourth proportional to 1,617.46, 2,233.62 and 1,557.28 is: 2,150.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.46 : 2,233.62 = 1,557.28 : x
  2. Step 2: Convert to fraction form
    1,617.46/2,233.62 = 1,557.28/x
  3. Step 3: Cross multiply
    1,617.46x = 2,233.62 × 1,557.28
  4. Step 4: Simplify right side
    1,617.46x = 3,478,371.75
  5. Step 5: Solve for x
    x = 3,478,371.75/1,617.46
  6. Step 6: Final answer
    x = 2,150.51

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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.