Home / 3,888.42-5,365.62-2,316.24

Finding the Fourth Proportional to 3,888.42, 5,365.62 and 2,316.24

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Solution

The fourth proportional to 3,888.42, 5,365.62 and 2,316.24 is: 3,196.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.42 : 5,365.62 = 2,316.24 : x
  2. Step 2: Convert to fraction form
    3,888.42/5,365.62 = 2,316.24/x
  3. Step 3: Cross multiply
    3,888.42x = 5,365.62 × 2,316.24
  4. Step 4: Simplify right side
    3,888.42x = 12,428,063.67
  5. Step 5: Solve for x
    x = 12,428,063.67/3,888.42
  6. Step 6: Final answer
    x = 3,196.17

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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.