Home / 1,588.26-2,383.17-664.12

Finding the Fourth Proportional to 1,588.26, 2,383.17 and 664.12

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Solution

The fourth proportional to 1,588.26, 2,383.17 and 664.12 is: 996.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.26 : 2,383.17 = 664.12 : x
  2. Step 2: Convert to fraction form
    1,588.26/2,383.17 = 664.12/x
  3. Step 3: Cross multiply
    1,588.26x = 2,383.17 × 664.12
  4. Step 4: Simplify right side
    1,588.26x = 1,582,710.86
  5. Step 5: Solve for x
    x = 1,582,710.86/1,588.26
  6. Step 6: Final answer
    x = 996.51

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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.