Home / 3,812.04-5,270.42-2,930.76

Finding the Fourth Proportional to 3,812.04, 5,270.42 and 2,930.76

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Solution

The fourth proportional to 3,812.04, 5,270.42 and 2,930.76 is: 4,051.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.04 : 5,270.42 = 2,930.76 : x
  2. Step 2: Convert to fraction form
    3,812.04/5,270.42 = 2,930.76/x
  3. Step 3: Cross multiply
    3,812.04x = 5,270.42 × 2,930.76
  4. Step 4: Simplify right side
    3,812.04x = 15,446,336.12
  5. Step 5: Solve for x
    x = 15,446,336.12/3,812.04
  6. Step 6: Final answer
    x = 4,051.99

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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.