Home / 1,591.30-2,383.71-1,427.41

Finding the Fourth Proportional to 1,591.30, 2,383.71 and 1,427.41

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Solution

The fourth proportional to 1,591.30, 2,383.71 and 1,427.41 is: 2,138.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.30 : 2,383.71 = 1,427.41 : x
  2. Step 2: Convert to fraction form
    1,591.30/2,383.71 = 1,427.41/x
  3. Step 3: Cross multiply
    1,591.30x = 2,383.71 × 1,427.41
  4. Step 4: Simplify right side
    1,591.30x = 3,402,531.49
  5. Step 5: Solve for x
    x = 3,402,531.49/1,591.30
  6. Step 6: Final answer
    x = 2,138.21

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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.