Home / 3,649.30-5,474.56-1,184.74

Finding the Fourth Proportional to 3,649.30, 5,474.56 and 1,184.74

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Solution

The fourth proportional to 3,649.30, 5,474.56 and 1,184.74 is: 1,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.30 : 5,474.56 = 1,184.74 : x
  2. Step 2: Convert to fraction form
    3,649.30/5,474.56 = 1,184.74/x
  3. Step 3: Cross multiply
    3,649.30x = 5,474.56 × 1,184.74
  4. Step 4: Simplify right side
    3,649.30x = 6,485,930.21
  5. Step 5: Solve for x
    x = 6,485,930.21/3,649.30
  6. Step 6: Final answer
    x = 1,777.31

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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.