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Finding the Fourth Proportional to 1,798.84, 2,697.33 and 824.11

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Solution

The fourth proportional to 1,798.84, 2,697.33 and 824.11 is: 1,235.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.84 : 2,697.33 = 824.11 : x
  2. Step 2: Convert to fraction form
    1,798.84/2,697.33 = 824.11/x
  3. Step 3: Cross multiply
    1,798.84x = 2,697.33 × 824.11
  4. Step 4: Simplify right side
    1,798.84x = 2,222,892.97
  5. Step 5: Solve for x
    x = 2,222,892.97/1,798.84
  6. Step 6: Final answer
    x = 1,235.74

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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.