Home / 2,428.77-3,351.23-1,434.36

Finding the Fourth Proportional to 2,428.77, 3,351.23 and 1,434.36

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Solution

The fourth proportional to 2,428.77, 3,351.23 and 1,434.36 is: 1,979.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.77 : 3,351.23 = 1,434.36 : x
  2. Step 2: Convert to fraction form
    2,428.77/3,351.23 = 1,434.36/x
  3. Step 3: Cross multiply
    2,428.77x = 3,351.23 × 1,434.36
  4. Step 4: Simplify right side
    2,428.77x = 4,806,863.09
  5. Step 5: Solve for x
    x = 4,806,863.09/2,428.77
  6. Step 6: Final answer
    x = 1,979.13

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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.