Home / 3,678.02-5,518.06-1,486.24

Finding the Fourth Proportional to 3,678.02, 5,518.06 and 1,486.24

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Solution

The fourth proportional to 3,678.02, 5,518.06 and 1,486.24 is: 2,229.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.02 : 5,518.06 = 1,486.24 : x
  2. Step 2: Convert to fraction form
    3,678.02/5,518.06 = 1,486.24/x
  3. Step 3: Cross multiply
    3,678.02x = 5,518.06 × 1,486.24
  4. Step 4: Simplify right side
    3,678.02x = 8,201,161.49
  5. Step 5: Solve for x
    x = 8,201,161.49/3,678.02
  6. Step 6: Final answer
    x = 2,229.78

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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.