Home / 3,555.52-5,336.48-2,731.20

Finding the Fourth Proportional to 3,555.52, 5,336.48 and 2,731.20

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Solution

The fourth proportional to 3,555.52, 5,336.48 and 2,731.20 is: 4,099.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.52 : 5,336.48 = 2,731.20 : x
  2. Step 2: Convert to fraction form
    3,555.52/5,336.48 = 2,731.20/x
  3. Step 3: Cross multiply
    3,555.52x = 5,336.48 × 2,731.20
  4. Step 4: Simplify right side
    3,555.52x = 14,574,994.18
  5. Step 5: Solve for x
    x = 14,574,994.18/3,555.52
  6. Step 6: Final answer
    x = 4,099.26

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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.