Home / 2,864.58-4,298.49-1,220.96

Finding the Fourth Proportional to 2,864.58, 4,298.49 and 1,220.96

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Solution

The fourth proportional to 2,864.58, 4,298.49 and 1,220.96 is: 1,832.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.58 : 4,298.49 = 1,220.96 : x
  2. Step 2: Convert to fraction form
    2,864.58/4,298.49 = 1,220.96/x
  3. Step 3: Cross multiply
    2,864.58x = 4,298.49 × 1,220.96
  4. Step 4: Simplify right side
    2,864.58x = 5,248,262.86
  5. Step 5: Solve for x
    x = 5,248,262.86/2,864.58
  6. Step 6: Final answer
    x = 1,832.12

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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.