Home / 3,370.25-4,650.95-1,878.13

Finding the Fourth Proportional to 3,370.25, 4,650.95 and 1,878.13

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Solution

The fourth proportional to 3,370.25, 4,650.95 and 1,878.13 is: 2,591.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.25 : 4,650.95 = 1,878.13 : x
  2. Step 2: Convert to fraction form
    3,370.25/4,650.95 = 1,878.13/x
  3. Step 3: Cross multiply
    3,370.25x = 4,650.95 × 1,878.13
  4. Step 4: Simplify right side
    3,370.25x = 8,735,095.66
  5. Step 5: Solve for x
    x = 8,735,095.66/3,370.25
  6. Step 6: Final answer
    x = 2,591.83

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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.