Home / 2,088.26-2,881.68-1,143.87

Finding the Fourth Proportional to 2,088.26, 2,881.68 and 1,143.87

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Solution

The fourth proportional to 2,088.26, 2,881.68 and 1,143.87 is: 1,578.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.26 : 2,881.68 = 1,143.87 : x
  2. Step 2: Convert to fraction form
    2,088.26/2,881.68 = 1,143.87/x
  3. Step 3: Cross multiply
    2,088.26x = 2,881.68 × 1,143.87
  4. Step 4: Simplify right side
    2,088.26x = 3,296,256.50
  5. Step 5: Solve for x
    x = 3,296,256.50/2,088.26
  6. Step 6: Final answer
    x = 1,578.47

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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.