Home / 2,784.08-4,178.82-1,486.46

Finding the Fourth Proportional to 2,784.08, 4,178.82 and 1,486.46

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Solution

The fourth proportional to 2,784.08, 4,178.82 and 1,486.46 is: 2,231.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.08 : 4,178.82 = 1,486.46 : x
  2. Step 2: Convert to fraction form
    2,784.08/4,178.82 = 1,486.46/x
  3. Step 3: Cross multiply
    2,784.08x = 4,178.82 × 1,486.46
  4. Step 4: Simplify right side
    2,784.08x = 6,211,648.78
  5. Step 5: Solve for x
    x = 6,211,648.78/2,784.08
  6. Step 6: Final answer
    x = 2,231.13

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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.