Home / 2,349.17-3,522.80-809.81

Finding the Fourth Proportional to 2,349.17, 3,522.80 and 809.81

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Solution

The fourth proportional to 2,349.17, 3,522.80 and 809.81 is: 1,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.17 : 3,522.80 = 809.81 : x
  2. Step 2: Convert to fraction form
    2,349.17/3,522.80 = 809.81/x
  3. Step 3: Cross multiply
    2,349.17x = 3,522.80 × 809.81
  4. Step 4: Simplify right side
    2,349.17x = 2,852,794.62
  5. Step 5: Solve for x
    x = 2,852,794.62/2,349.17
  6. Step 6: Final answer
    x = 1,214.38

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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.