Home / 3,649.89-5,476.05-1,184.79

Finding the Fourth Proportional to 3,649.89, 5,476.05 and 1,184.79

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Solution

The fourth proportional to 3,649.89, 5,476.05 and 1,184.79 is: 1,777.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.89 : 5,476.05 = 1,184.79 : x
  2. Step 2: Convert to fraction form
    3,649.89/5,476.05 = 1,184.79/x
  3. Step 3: Cross multiply
    3,649.89x = 5,476.05 × 1,184.79
  4. Step 4: Simplify right side
    3,649.89x = 6,487,969.28
  5. Step 5: Solve for x
    x = 6,487,969.28/3,649.89
  6. Step 6: Final answer
    x = 1,777.58

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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.