Home / 2,818.15-4,224.91-1,175.87

Finding the Fourth Proportional to 2,818.15, 4,224.91 and 1,175.87

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Solution

The fourth proportional to 2,818.15, 4,224.91 and 1,175.87 is: 1,762.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.15 : 4,224.91 = 1,175.87 : x
  2. Step 2: Convert to fraction form
    2,818.15/4,224.91 = 1,175.87/x
  3. Step 3: Cross multiply
    2,818.15x = 4,224.91 × 1,175.87
  4. Step 4: Simplify right side
    2,818.15x = 4,967,944.92
  5. Step 5: Solve for x
    x = 4,967,944.92/2,818.15
  6. Step 6: Final answer
    x = 1,762.84

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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.