Home / 2,132.20-3,199.52-899.50

Finding the Fourth Proportional to 2,132.20, 3,199.52 and 899.50

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Solution

The fourth proportional to 2,132.20, 3,199.52 and 899.50 is: 1,349.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.20 : 3,199.52 = 899.50 : x
  2. Step 2: Convert to fraction form
    2,132.20/3,199.52 = 899.50/x
  3. Step 3: Cross multiply
    2,132.20x = 3,199.52 × 899.50
  4. Step 4: Simplify right side
    2,132.20x = 2,877,968.24
  5. Step 5: Solve for x
    x = 2,877,968.24/2,132.20
  6. Step 6: Final answer
    x = 1,349.76

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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.