Home / 1,137.27-1,568.63-1,099.17

Finding the Fourth Proportional to 1,137.27, 1,568.63 and 1,099.17

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Solution

The fourth proportional to 1,137.27, 1,568.63 and 1,099.17 is: 1,516.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137.27 : 1,568.63 = 1,099.17 : x
  2. Step 2: Convert to fraction form
    1,137.27/1,568.63 = 1,099.17/x
  3. Step 3: Cross multiply
    1,137.27x = 1,568.63 × 1,099.17
  4. Step 4: Simplify right side
    1,137.27x = 1,724,193.79
  5. Step 5: Solve for x
    x = 1,724,193.79/1,137.27
  6. Step 6: Final answer
    x = 1,516.08

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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.