Home / 2,943.66-4,415.50-1,211.08

Finding the Fourth Proportional to 2,943.66, 4,415.50 and 1,211.08

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Solution

The fourth proportional to 2,943.66, 4,415.50 and 1,211.08 is: 1,816.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.66 : 4,415.50 = 1,211.08 : x
  2. Step 2: Convert to fraction form
    2,943.66/4,415.50 = 1,211.08/x
  3. Step 3: Cross multiply
    2,943.66x = 4,415.50 × 1,211.08
  4. Step 4: Simplify right side
    2,943.66x = 5,347,523.74
  5. Step 5: Solve for x
    x = 5,347,523.74/2,943.66
  6. Step 6: Final answer
    x = 1,816.62

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1.5x scale

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.