Home / 3,649.40-5,035.88-2,055.54

Finding the Fourth Proportional to 3,649.40, 5,035.88 and 2,055.54

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Solution

The fourth proportional to 3,649.40, 5,035.88 and 2,055.54 is: 2,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.40 : 5,035.88 = 2,055.54 : x
  2. Step 2: Convert to fraction form
    3,649.40/5,035.88 = 2,055.54/x
  3. Step 3: Cross multiply
    3,649.40x = 5,035.88 × 2,055.54
  4. Step 4: Simplify right side
    3,649.40x = 10,351,462.35
  5. Step 5: Solve for x
    x = 10,351,462.35/3,649.40
  6. Step 6: Final answer
    x = 2,836.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.