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Finding the Fourth Proportional to 1,748.55, 2,622.83 and 824.12

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Solution

The fourth proportional to 1,748.55, 2,622.83 and 824.12 is: 1,236.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.55 : 2,622.83 = 824.12 : x
  2. Step 2: Convert to fraction form
    1,748.55/2,622.83 = 824.12/x
  3. Step 3: Cross multiply
    1,748.55x = 2,622.83 × 824.12
  4. Step 4: Simplify right side
    1,748.55x = 2,161,509.42
  5. Step 5: Solve for x
    x = 2,161,509.42/1,748.55
  6. Step 6: Final answer
    x = 1,236.17

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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.