Home / 3,243.68-4,478.08-2,050.24

Finding the Fourth Proportional to 3,243.68, 4,478.08 and 2,050.24

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Solution

The fourth proportional to 3,243.68, 4,478.08 and 2,050.24 is: 2,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.68 : 4,478.08 = 2,050.24 : x
  2. Step 2: Convert to fraction form
    3,243.68/4,478.08 = 2,050.24/x
  3. Step 3: Cross multiply
    3,243.68x = 4,478.08 × 2,050.24
  4. Step 4: Simplify right side
    3,243.68x = 9,181,138.74
  5. Step 5: Solve for x
    x = 9,181,138.74/3,243.68
  6. Step 6: Final answer
    x = 2,830.47

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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.