Home / 3,587.08-5,380.96-1,395.98

Finding the Fourth Proportional to 3,587.08, 5,380.96 and 1,395.98

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Solution

The fourth proportional to 3,587.08, 5,380.96 and 1,395.98 is: 2,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.08 : 5,380.96 = 1,395.98 : x
  2. Step 2: Convert to fraction form
    3,587.08/5,380.96 = 1,395.98/x
  3. Step 3: Cross multiply
    3,587.08x = 5,380.96 × 1,395.98
  4. Step 4: Simplify right side
    3,587.08x = 7,511,712.54
  5. Step 5: Solve for x
    x = 7,511,712.54/3,587.08
  6. Step 6: Final answer
    x = 2,094.10

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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.