Home / 4,190.87-5,782.76-2,422.14

Finding the Fourth Proportional to 4,190.87, 5,782.76 and 2,422.14

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Solution

The fourth proportional to 4,190.87, 5,782.76 and 2,422.14 is: 3,342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.87 : 5,782.76 = 2,422.14 : x
  2. Step 2: Convert to fraction form
    4,190.87/5,782.76 = 2,422.14/x
  3. Step 3: Cross multiply
    4,190.87x = 5,782.76 × 2,422.14
  4. Step 4: Simplify right side
    4,190.87x = 14,006,660.36
  5. Step 5: Solve for x
    x = 14,006,660.36/4,190.87
  6. Step 6: Final answer
    x = 3,342.18

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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.