Home / 2,568.87-3,544.95-1,434.57

Finding the Fourth Proportional to 2,568.87, 3,544.95 and 1,434.57

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Solution

The fourth proportional to 2,568.87, 3,544.95 and 1,434.57 is: 1,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.87 : 3,544.95 = 1,434.57 : x
  2. Step 2: Convert to fraction form
    2,568.87/3,544.95 = 1,434.57/x
  3. Step 3: Cross multiply
    2,568.87x = 3,544.95 × 1,434.57
  4. Step 4: Simplify right side
    2,568.87x = 5,085,478.92
  5. Step 5: Solve for x
    x = 5,085,478.92/2,568.87
  6. Step 6: Final answer
    x = 1,979.66

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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.