Home / 3,977.26-5,966.55-1,345.01

Finding the Fourth Proportional to 3,977.26, 5,966.55 and 1,345.01

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Solution

The fourth proportional to 3,977.26, 5,966.55 and 1,345.01 is: 2,017.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.26 : 5,966.55 = 1,345.01 : x
  2. Step 2: Convert to fraction form
    3,977.26/5,966.55 = 1,345.01/x
  3. Step 3: Cross multiply
    3,977.26x = 5,966.55 × 1,345.01
  4. Step 4: Simplify right side
    3,977.26x = 8,025,069.42
  5. Step 5: Solve for x
    x = 8,025,069.42/3,977.26
  6. Step 6: Final answer
    x = 2,017.74

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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.