Home / 2,377.16-3,564.70-1,128.11

Finding the Fourth Proportional to 2,377.16, 3,564.70 and 1,128.11

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Solution

The fourth proportional to 2,377.16, 3,564.70 and 1,128.11 is: 1,691.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.16 : 3,564.70 = 1,128.11 : x
  2. Step 2: Convert to fraction form
    2,377.16/3,564.70 = 1,128.11/x
  3. Step 3: Cross multiply
    2,377.16x = 3,564.70 × 1,128.11
  4. Step 4: Simplify right side
    2,377.16x = 4,021,366.44
  5. Step 5: Solve for x
    x = 4,021,366.44/2,377.16
  6. Step 6: Final answer
    x = 1,691.67

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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.