Home / 2,872.10-4,298.70-2,347.94

Finding the Fourth Proportional to 2,872.10, 4,298.70 and 2,347.94

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Solution

The fourth proportional to 2,872.10, 4,298.70 and 2,347.94 is: 3,514.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.10 : 4,298.70 = 2,347.94 : x
  2. Step 2: Convert to fraction form
    2,872.10/4,298.70 = 2,347.94/x
  3. Step 3: Cross multiply
    2,872.10x = 4,298.70 × 2,347.94
  4. Step 4: Simplify right side
    2,872.10x = 10,093,089.68
  5. Step 5: Solve for x
    x = 10,093,089.68/2,872.10
  6. Step 6: Final answer
    x = 3,514.18

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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.