Home / 4,211-5,811.30-2,348.12

Finding the Fourth Proportional to 4,211, 5,811.30 and 2,348.12

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Solution

The fourth proportional to 4,211, 5,811.30 and 2,348.12 is: 3,240.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211 : 5,811.30 = 2,348.12 : x
  2. Step 2: Convert to fraction form
    4,211/5,811.30 = 2,348.12/x
  3. Step 3: Cross multiply
    4,211x = 5,811.30 × 2,348.12
  4. Step 4: Simplify right side
    4,211x = 13,645,629.76
  5. Step 5: Solve for x
    x = 13,645,629.76/4,211
  6. Step 6: Final answer
    x = 3,240.47

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Half scale
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Double scale
Find fourth proportional to 4,212, 5,812.68 and 2,349.12
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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.