Home / 2,231.02-3,347.68-999.24

Finding the Fourth Proportional to 2,231.02, 3,347.68 and 999.24

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Solution

The fourth proportional to 2,231.02, 3,347.68 and 999.24 is: 1,499.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.02 : 3,347.68 = 999.24 : x
  2. Step 2: Convert to fraction form
    2,231.02/3,347.68 = 999.24/x
  3. Step 3: Cross multiply
    2,231.02x = 3,347.68 × 999.24
  4. Step 4: Simplify right side
    2,231.02x = 3,345,135.76
  5. Step 5: Solve for x
    x = 3,345,135.76/2,231.02
  6. Step 6: Final answer
    x = 1,499.38

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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.