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Finding the Fourth Proportional to 1,593.91, 2,199.63 and 885.79

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Solution

The fourth proportional to 1,593.91, 2,199.63 and 885.79 is: 1,222.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.91 : 2,199.63 = 885.79 : x
  2. Step 2: Convert to fraction form
    1,593.91/2,199.63 = 885.79/x
  3. Step 3: Cross multiply
    1,593.91x = 2,199.63 × 885.79
  4. Step 4: Simplify right side
    1,593.91x = 1,948,410.26
  5. Step 5: Solve for x
    x = 1,948,410.26/1,593.91
  6. Step 6: Final answer
    x = 1,222.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.