Home / 1,155.11-1,733.77-1,092.67

Finding the Fourth Proportional to 1,155.11, 1,733.77 and 1,092.67

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Solution

The fourth proportional to 1,155.11, 1,733.77 and 1,092.67 is: 1,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155.11 : 1,733.77 = 1,092.67 : x
  2. Step 2: Convert to fraction form
    1,155.11/1,733.77 = 1,092.67/x
  3. Step 3: Cross multiply
    1,155.11x = 1,733.77 × 1,092.67
  4. Step 4: Simplify right side
    1,155.11x = 1,894,435.50
  5. Step 5: Solve for x
    x = 1,894,435.50/1,155.11
  6. Step 6: Final answer
    x = 1,640.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.