Home / 3,587.87-5,383.91-1,507.70

Finding the Fourth Proportional to 3,587.87, 5,383.91 and 1,507.70

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Solution

The fourth proportional to 3,587.87, 5,383.91 and 1,507.70 is: 2,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.87 : 5,383.91 = 1,507.70 : x
  2. Step 2: Convert to fraction form
    3,587.87/5,383.91 = 1,507.70/x
  3. Step 3: Cross multiply
    3,587.87x = 5,383.91 × 1,507.70
  4. Step 4: Simplify right side
    3,587.87x = 8,117,338.34
  5. Step 5: Solve for x
    x = 8,117,338.34/3,587.87
  6. Step 6: Final answer
    x = 2,262.44

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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.