Home / 2,088.23-2,881.68-1,143.99

Finding the Fourth Proportional to 2,088.23, 2,881.68 and 1,143.99

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Solution

The fourth proportional to 2,088.23, 2,881.68 and 1,143.99 is: 1,578.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.23 : 2,881.68 = 1,143.99 : x
  2. Step 2: Convert to fraction form
    2,088.23/2,881.68 = 1,143.99/x
  3. Step 3: Cross multiply
    2,088.23x = 2,881.68 × 1,143.99
  4. Step 4: Simplify right side
    2,088.23x = 3,296,608.81
  5. Step 5: Solve for x
    x = 3,296,608.81/2,088.23
  6. Step 6: Final answer
    x = 1,578.67

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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.