Home / 3,649.13-5,463.36-2,836.90

Finding the Fourth Proportional to 3,649.13, 5,463.36 and 2,836.90

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Solution

The fourth proportional to 3,649.13, 5,463.36 and 2,836.90 is: 4,247.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.13 : 5,463.36 = 2,836.90 : x
  2. Step 2: Convert to fraction form
    3,649.13/5,463.36 = 2,836.90/x
  3. Step 3: Cross multiply
    3,649.13x = 5,463.36 × 2,836.90
  4. Step 4: Simplify right side
    3,649.13x = 15,499,012.81
  5. Step 5: Solve for x
    x = 15,499,012.81/3,649.13
  6. Step 6: Final answer
    x = 4,247.32

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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.