Home / 2,943.75-4,417.65-1,212.38

Finding the Fourth Proportional to 2,943.75, 4,417.65 and 1,212.38

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Solution

The fourth proportional to 2,943.75, 4,417.65 and 1,212.38 is: 1,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.75 : 4,417.65 = 1,212.38 : x
  2. Step 2: Convert to fraction form
    2,943.75/4,417.65 = 1,212.38/x
  3. Step 3: Cross multiply
    2,943.75x = 4,417.65 × 1,212.38
  4. Step 4: Simplify right side
    2,943.75x = 5,355,848.42
  5. Step 5: Solve for x
    x = 5,355,848.42/2,943.75
  6. Step 6: Final answer
    x = 1,819.40

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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.