Home / 1,696.28-2,557.24-1,424.10

Finding the Fourth Proportional to 1,696.28, 2,557.24 and 1,424.10

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Solution

The fourth proportional to 1,696.28, 2,557.24 and 1,424.10 is: 2,146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.28 : 2,557.24 = 1,424.10 : x
  2. Step 2: Convert to fraction form
    1,696.28/2,557.24 = 1,424.10/x
  3. Step 3: Cross multiply
    1,696.28x = 2,557.24 × 1,424.10
  4. Step 4: Simplify right side
    1,696.28x = 3,641,757.13
  5. Step 5: Solve for x
    x = 3,641,757.13/1,696.28
  6. Step 6: Final answer
    x = 2,146.91

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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.