Home / 1,696.40-2,341.12-1,033.28

Finding the Fourth Proportional to 1,696.40, 2,341.12 and 1,033.28

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Solution

The fourth proportional to 1,696.40, 2,341.12 and 1,033.28 is: 1,425.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.40 : 2,341.12 = 1,033.28 : x
  2. Step 2: Convert to fraction form
    1,696.40/2,341.12 = 1,033.28/x
  3. Step 3: Cross multiply
    1,696.40x = 2,341.12 × 1,033.28
  4. Step 4: Simplify right side
    1,696.40x = 2,419,032.47
  5. Step 5: Solve for x
    x = 2,419,032.47/1,696.40
  6. Step 6: Final answer
    x = 1,425.98

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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.