Home / 1,588.26-2,194.71-1,512.39

Finding the Fourth Proportional to 1,588.26, 2,194.71 and 1,512.39

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Solution

The fourth proportional to 1,588.26, 2,194.71 and 1,512.39 is: 2,089.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.26 : 2,194.71 = 1,512.39 : x
  2. Step 2: Convert to fraction form
    1,588.26/2,194.71 = 1,512.39/x
  3. Step 3: Cross multiply
    1,588.26x = 2,194.71 × 1,512.39
  4. Step 4: Simplify right side
    1,588.26x = 3,319,257.46
  5. Step 5: Solve for x
    x = 3,319,257.46/1,588.26
  6. Step 6: Final answer
    x = 2,089.87

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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.