Home / 4,039.28-5,574.20-2,271.48

Finding the Fourth Proportional to 4,039.28, 5,574.20 and 2,271.48

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Solution

The fourth proportional to 4,039.28, 5,574.20 and 2,271.48 is: 3,134.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.28 : 5,574.20 = 2,271.48 : x
  2. Step 2: Convert to fraction form
    4,039.28/5,574.20 = 2,271.48/x
  3. Step 3: Cross multiply
    4,039.28x = 5,574.20 × 2,271.48
  4. Step 4: Simplify right side
    4,039.28x = 12,661,683.82
  5. Step 5: Solve for x
    x = 12,661,683.82/4,039.28
  6. Step 6: Final answer
    x = 3,134.64

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Half scale
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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.