Home / 2,839.14-4,258.71-1,681.38

Finding the Fourth Proportional to 2,839.14, 4,258.71 and 1,681.38

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Solution

The fourth proportional to 2,839.14, 4,258.71 and 1,681.38 is: 2,522.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.14 : 4,258.71 = 1,681.38 : x
  2. Step 2: Convert to fraction form
    2,839.14/4,258.71 = 1,681.38/x
  3. Step 3: Cross multiply
    2,839.14x = 4,258.71 × 1,681.38
  4. Step 4: Simplify right side
    2,839.14x = 7,160,509.82
  5. Step 5: Solve for x
    x = 7,160,509.82/2,839.14
  6. Step 6: Final answer
    x = 2,522.07

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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.