Home / 2,913.29-4,386.37-2,568.84

Finding the Fourth Proportional to 2,913.29, 4,386.37 and 2,568.84

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Solution

The fourth proportional to 2,913.29, 4,386.37 and 2,568.84 is: 3,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.29 : 4,386.37 = 2,568.84 : x
  2. Step 2: Convert to fraction form
    2,913.29/4,386.37 = 2,568.84/x
  3. Step 3: Cross multiply
    2,913.29x = 4,386.37 × 2,568.84
  4. Step 4: Simplify right side
    2,913.29x = 11,267,876.29
  5. Step 5: Solve for x
    x = 11,267,876.29/2,913.29
  6. Step 6: Final answer
    x = 3,867.75

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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.