Home / 3,977.02-5,965.46-1,345.11

Finding the Fourth Proportional to 3,977.02, 5,965.46 and 1,345.11

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Solution

The fourth proportional to 3,977.02, 5,965.46 and 1,345.11 is: 2,017.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.02 : 5,965.46 = 1,345.11 : x
  2. Step 2: Convert to fraction form
    3,977.02/5,965.46 = 1,345.11/x
  3. Step 3: Cross multiply
    3,977.02x = 5,965.46 × 1,345.11
  4. Step 4: Simplify right side
    3,977.02x = 8,024,199.90
  5. Step 5: Solve for x
    x = 8,024,199.90/3,977.02
  6. Step 6: Final answer
    x = 2,017.64

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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.