Home / 3,651.02-5,476.37-1,311.08

Finding the Fourth Proportional to 3,651.02, 5,476.37 and 1,311.08

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Solution

The fourth proportional to 3,651.02, 5,476.37 and 1,311.08 is: 1,966.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.02 : 5,476.37 = 1,311.08 : x
  2. Step 2: Convert to fraction form
    3,651.02/5,476.37 = 1,311.08/x
  3. Step 3: Cross multiply
    3,651.02x = 5,476.37 × 1,311.08
  4. Step 4: Simplify right side
    3,651.02x = 7,179,959.18
  5. Step 5: Solve for x
    x = 7,179,959.18/3,651.02
  6. Step 6: Final answer
    x = 1,966.56

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1.5x scale

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.