Home / 4,143.44-5,718.36-2,280.56

Finding the Fourth Proportional to 4,143.44, 5,718.36 and 2,280.56

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Solution

The fourth proportional to 4,143.44, 5,718.36 and 2,280.56 is: 3,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.44 : 5,718.36 = 2,280.56 : x
  2. Step 2: Convert to fraction form
    4,143.44/5,718.36 = 2,280.56/x
  3. Step 3: Cross multiply
    4,143.44x = 5,718.36 × 2,280.56
  4. Step 4: Simplify right side
    4,143.44x = 13,041,063.08
  5. Step 5: Solve for x
    x = 13,041,063.08/4,143.44
  6. Step 6: Final answer
    x = 3,147.40

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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.