Home / 3,213.97-4,436.37-1,888.07

Finding the Fourth Proportional to 3,213.97, 4,436.37 and 1,888.07

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Solution

The fourth proportional to 3,213.97, 4,436.37 and 1,888.07 is: 2,606.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.97 : 4,436.37 = 1,888.07 : x
  2. Step 2: Convert to fraction form
    3,213.97/4,436.37 = 1,888.07/x
  3. Step 3: Cross multiply
    3,213.97x = 4,436.37 × 1,888.07
  4. Step 4: Simplify right side
    3,213.97x = 8,376,154.92
  5. Step 5: Solve for x
    x = 8,376,154.92/3,213.97
  6. Step 6: Final answer
    x = 2,606.17

Related Problems

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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.