Home / 2,878.16-4,317.24-1,235.86

Finding the Fourth Proportional to 2,878.16, 4,317.24 and 1,235.86

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Solution

The fourth proportional to 2,878.16, 4,317.24 and 1,235.86 is: 1,853.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.16 : 4,317.24 = 1,235.86 : x
  2. Step 2: Convert to fraction form
    2,878.16/4,317.24 = 1,235.86/x
  3. Step 3: Cross multiply
    2,878.16x = 4,317.24 × 1,235.86
  4. Step 4: Simplify right side
    2,878.16x = 5,335,516.70
  5. Step 5: Solve for x
    x = 5,335,516.70/2,878.16
  6. Step 6: Final answer
    x = 1,853.79

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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.