Home / 3,587.15-5,377.50-1,395.36

Finding the Fourth Proportional to 3,587.15, 5,377.50 and 1,395.36

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Solution

The fourth proportional to 3,587.15, 5,377.50 and 1,395.36 is: 2,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.15 : 5,377.50 = 1,395.36 : x
  2. Step 2: Convert to fraction form
    3,587.15/5,377.50 = 1,395.36/x
  3. Step 3: Cross multiply
    3,587.15x = 5,377.50 × 1,395.36
  4. Step 4: Simplify right side
    3,587.15x = 7,503,548.40
  5. Step 5: Solve for x
    x = 7,503,548.40/3,587.15
  6. Step 6: Final answer
    x = 2,091.78

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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.