Home / 2,132.99-3,198.50-899.72

Finding the Fourth Proportional to 2,132.99, 3,198.50 and 899.72

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Solution

The fourth proportional to 2,132.99, 3,198.50 and 899.72 is: 1,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.99 : 3,198.50 = 899.72 : x
  2. Step 2: Convert to fraction form
    2,132.99/3,198.50 = 899.72/x
  3. Step 3: Cross multiply
    2,132.99x = 3,198.50 × 899.72
  4. Step 4: Simplify right side
    2,132.99x = 2,877,772.35
  5. Step 5: Solve for x
    x = 2,877,772.35/2,132.99
  6. Step 6: Final answer
    x = 1,349.17

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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.