Home / 3,564.32-5,340.72-2,915.36

Finding the Fourth Proportional to 3,564.32, 5,340.72 and 2,915.36

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Solution

The fourth proportional to 3,564.32, 5,340.72 and 2,915.36 is: 4,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.32 : 5,340.72 = 2,915.36 : x
  2. Step 2: Convert to fraction form
    3,564.32/5,340.72 = 2,915.36/x
  3. Step 3: Cross multiply
    3,564.32x = 5,340.72 × 2,915.36
  4. Step 4: Simplify right side
    3,564.32x = 15,570,121.46
  5. Step 5: Solve for x
    x = 15,570,121.46/3,564.32
  6. Step 6: Final answer
    x = 4,368.33

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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.