Home / 3,888.19-5,832.89-1,548.21

Finding the Fourth Proportional to 3,888.19, 5,832.89 and 1,548.21

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Solution

The fourth proportional to 3,888.19, 5,832.89 and 1,548.21 is: 2,322.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.19 : 5,832.89 = 1,548.21 : x
  2. Step 2: Convert to fraction form
    3,888.19/5,832.89 = 1,548.21/x
  3. Step 3: Cross multiply
    3,888.19x = 5,832.89 × 1,548.21
  4. Step 4: Simplify right side
    3,888.19x = 9,030,564.01
  5. Step 5: Solve for x
    x = 9,030,564.01/3,888.19
  6. Step 6: Final answer
    x = 2,322.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.