Home / 2,810.32-4,215.28-1,249.86

Finding the Fourth Proportional to 2,810.32, 4,215.28 and 1,249.86

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Solution

The fourth proportional to 2,810.32, 4,215.28 and 1,249.86 is: 1,874.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.32 : 4,215.28 = 1,249.86 : x
  2. Step 2: Convert to fraction form
    2,810.32/4,215.28 = 1,249.86/x
  3. Step 3: Cross multiply
    2,810.32x = 4,215.28 × 1,249.86
  4. Step 4: Simplify right side
    2,810.32x = 5,268,490.93
  5. Step 5: Solve for x
    x = 5,268,490.93/2,810.32
  6. Step 6: Final answer
    x = 1,874.69

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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.