Home / 2,943.54-4,412.43-1,405.62

Finding the Fourth Proportional to 2,943.54, 4,412.43 and 1,405.62

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Solution

The fourth proportional to 2,943.54, 4,412.43 and 1,405.62 is: 2,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.54 : 4,412.43 = 1,405.62 : x
  2. Step 2: Convert to fraction form
    2,943.54/4,412.43 = 1,405.62/x
  3. Step 3: Cross multiply
    2,943.54x = 4,412.43 × 1,405.62
  4. Step 4: Simplify right side
    2,943.54x = 6,202,199.86
  5. Step 5: Solve for x
    x = 6,202,199.86/2,943.54
  6. Step 6: Final answer
    x = 2,107.05

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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.