Home / 2,197.02-3,293.49-809.58

Finding the Fourth Proportional to 2,197.02, 3,293.49 and 809.58

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Solution

The fourth proportional to 2,197.02, 3,293.49 and 809.58 is: 1,213.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.02 : 3,293.49 = 809.58 : x
  2. Step 2: Convert to fraction form
    2,197.02/3,293.49 = 809.58/x
  3. Step 3: Cross multiply
    2,197.02x = 3,293.49 × 809.58
  4. Step 4: Simplify right side
    2,197.02x = 2,666,343.63
  5. Step 5: Solve for x
    x = 2,666,343.63/2,197.02
  6. Step 6: Final answer
    x = 1,213.62

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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.