Home / 3,782.39-5,219.70-2,210.18

Finding the Fourth Proportional to 3,782.39, 5,219.70 and 2,210.18

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Solution

The fourth proportional to 3,782.39, 5,219.70 and 2,210.18 is: 3,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.39 : 5,219.70 = 2,210.18 : x
  2. Step 2: Convert to fraction form
    3,782.39/5,219.70 = 2,210.18/x
  3. Step 3: Cross multiply
    3,782.39x = 5,219.70 × 2,210.18
  4. Step 4: Simplify right side
    3,782.39x = 11,536,476.55
  5. Step 5: Solve for x
    x = 11,536,476.55/3,782.39
  6. Step 6: Final answer
    x = 3,050.05

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Half scale
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Double scale
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Similar ratio
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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.