Home / 2,853.93-4,278.09-1,372.74

Finding the Fourth Proportional to 2,853.93, 4,278.09 and 1,372.74

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Solution

The fourth proportional to 2,853.93, 4,278.09 and 1,372.74 is: 2,057.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.93 : 4,278.09 = 1,372.74 : x
  2. Step 2: Convert to fraction form
    2,853.93/4,278.09 = 1,372.74/x
  3. Step 3: Cross multiply
    2,853.93x = 4,278.09 × 1,372.74
  4. Step 4: Simplify right side
    2,853.93x = 5,872,714.57
  5. Step 5: Solve for x
    x = 5,872,714.57/2,853.93
  6. Step 6: Final answer
    x = 2,057.77

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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.