Home / 3,548.24-5,322.32-915.72

Finding the Fourth Proportional to 3,548.24, 5,322.32 and 915.72

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Solution

The fourth proportional to 3,548.24, 5,322.32 and 915.72 is: 1,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.24 : 5,322.32 = 915.72 : x
  2. Step 2: Convert to fraction form
    3,548.24/5,322.32 = 915.72/x
  3. Step 3: Cross multiply
    3,548.24x = 5,322.32 × 915.72
  4. Step 4: Simplify right side
    3,548.24x = 4,873,754.87
  5. Step 5: Solve for x
    x = 4,873,754.87/3,548.24
  6. Step 6: Final answer
    x = 1,373.57

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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.