Home / 3,487.32-5,220.72-3,055.32

Finding the Fourth Proportional to 3,487.32, 5,220.72 and 3,055.32

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Solution

The fourth proportional to 3,487.32, 5,220.72 and 3,055.32 is: 4,573.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.32 : 5,220.72 = 3,055.32 : x
  2. Step 2: Convert to fraction form
    3,487.32/5,220.72 = 3,055.32/x
  3. Step 3: Cross multiply
    3,487.32x = 5,220.72 × 3,055.32
  4. Step 4: Simplify right side
    3,487.32x = 15,950,970.23
  5. Step 5: Solve for x
    x = 15,950,970.23/3,487.32
  6. Step 6: Final answer
    x = 4,573.99

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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.