Home / 4,039.81-5,575.16-2,271.38

Finding the Fourth Proportional to 4,039.81, 5,575.16 and 2,271.38

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Solution

The fourth proportional to 4,039.81, 5,575.16 and 2,271.38 is: 3,134.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.81 : 5,575.16 = 2,271.38 : x
  2. Step 2: Convert to fraction form
    4,039.81/5,575.16 = 2,271.38/x
  3. Step 3: Cross multiply
    4,039.81x = 5,575.16 × 2,271.38
  4. Step 4: Simplify right side
    4,039.81x = 12,663,284.72
  5. Step 5: Solve for x
    x = 12,663,284.72/4,039.81
  6. Step 6: Final answer
    x = 3,134.63

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Half scale
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Double 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.