Home / 2,889.78-4,334.85-1,158.18

Finding the Fourth Proportional to 2,889.78, 4,334.85 and 1,158.18

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Solution

The fourth proportional to 2,889.78, 4,334.85 and 1,158.18 is: 1,737.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.78 : 4,334.85 = 1,158.18 : x
  2. Step 2: Convert to fraction form
    2,889.78/4,334.85 = 1,158.18/x
  3. Step 3: Cross multiply
    2,889.78x = 4,334.85 × 1,158.18
  4. Step 4: Simplify right side
    2,889.78x = 5,020,536.57
  5. Step 5: Solve for x
    x = 5,020,536.57/2,889.78
  6. Step 6: Final answer
    x = 1,737.34

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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.