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Finding the Fourth Proportional to 1,588.97, 2,383.42 and 711.27

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Solution

The fourth proportional to 1,588.97, 2,383.42 and 711.27 is: 1,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.97 : 2,383.42 = 711.27 : x
  2. Step 2: Convert to fraction form
    1,588.97/2,383.42 = 711.27/x
  3. Step 3: Cross multiply
    1,588.97x = 2,383.42 × 711.27
  4. Step 4: Simplify right side
    1,588.97x = 1,695,253.37
  5. Step 5: Solve for x
    x = 1,695,253.37/1,588.97
  6. Step 6: Final answer
    x = 1,066.89

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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.