Home / 3,977.59-5,967.07-1,345.11

Finding the Fourth Proportional to 3,977.59, 5,967.07 and 1,345.11

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Solution

The fourth proportional to 3,977.59, 5,967.07 and 1,345.11 is: 2,017.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.59 : 5,967.07 = 1,345.11 : x
  2. Step 2: Convert to fraction form
    3,977.59/5,967.07 = 1,345.11/x
  3. Step 3: Cross multiply
    3,977.59x = 5,967.07 × 1,345.11
  4. Step 4: Simplify right side
    3,977.59x = 8,026,365.53
  5. Step 5: Solve for x
    x = 8,026,365.53/3,977.59
  6. Step 6: Final answer
    x = 2,017.90

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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.