Home / 2,630.84-3,951.99-1,591.33

Finding the Fourth Proportional to 2,630.84, 3,951.99 and 1,591.33

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Solution

The fourth proportional to 2,630.84, 3,951.99 and 1,591.33 is: 2,390.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.84 : 3,951.99 = 1,591.33 : x
  2. Step 2: Convert to fraction form
    2,630.84/3,951.99 = 1,591.33/x
  3. Step 3: Cross multiply
    2,630.84x = 3,951.99 × 1,591.33
  4. Step 4: Simplify right side
    2,630.84x = 6,288,920.25
  5. Step 5: Solve for x
    x = 6,288,920.25/2,630.84
  6. Step 6: Final answer
    x = 2,390.46

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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.