Home / 1,696.14-2,541.24-1,515.78

Finding the Fourth Proportional to 1,696.14, 2,541.24 and 1,515.78

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Solution

The fourth proportional to 1,696.14, 2,541.24 and 1,515.78 is: 2,271.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.14 : 2,541.24 = 1,515.78 : x
  2. Step 2: Convert to fraction form
    1,696.14/2,541.24 = 1,515.78/x
  3. Step 3: Cross multiply
    1,696.14x = 2,541.24 × 1,515.78
  4. Step 4: Simplify right side
    1,696.14x = 3,851,960.77
  5. Step 5: Solve for x
    x = 3,851,960.77/1,696.14
  6. Step 6: Final answer
    x = 2,271.02

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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.