Home / 2,943.48-4,065.60-2,200.74

Finding the Fourth Proportional to 2,943.48, 4,065.60 and 2,200.74

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Solution

The fourth proportional to 2,943.48, 4,065.60 and 2,200.74 is: 3,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.48 : 4,065.60 = 2,200.74 : x
  2. Step 2: Convert to fraction form
    2,943.48/4,065.60 = 2,200.74/x
  3. Step 3: Cross multiply
    2,943.48x = 4,065.60 × 2,200.74
  4. Step 4: Simplify right side
    2,943.48x = 8,947,328.54
  5. Step 5: Solve for x
    x = 8,947,328.54/2,943.48
  6. Step 6: Final answer
    x = 3,039.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.