Home / 2,088.19-2,881.67-1,143.97

Finding the Fourth Proportional to 2,088.19, 2,881.67 and 1,143.97

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Solution

The fourth proportional to 2,088.19, 2,881.67 and 1,143.97 is: 1,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.19 : 2,881.67 = 1,143.97 : x
  2. Step 2: Convert to fraction form
    2,088.19/2,881.67 = 1,143.97/x
  3. Step 3: Cross multiply
    2,088.19x = 2,881.67 × 1,143.97
  4. Step 4: Simplify right side
    2,088.19x = 3,296,544.03
  5. Step 5: Solve for x
    x = 3,296,544.03/2,088.19
  6. Step 6: Final answer
    x = 1,578.66

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1.5x scale

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.