Home / 3,081.53-4,252.51-1,904.65

Finding the Fourth Proportional to 3,081.53, 4,252.51 and 1,904.65

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Solution

The fourth proportional to 3,081.53, 4,252.51 and 1,904.65 is: 2,628.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.53 : 4,252.51 = 1,904.65 : x
  2. Step 2: Convert to fraction form
    3,081.53/4,252.51 = 1,904.65/x
  3. Step 3: Cross multiply
    3,081.53x = 4,252.51 × 1,904.65
  4. Step 4: Simplify right side
    3,081.53x = 8,099,543.17
  5. Step 5: Solve for x
    x = 8,099,543.17/3,081.53
  6. Step 6: Final answer
    x = 2,628.42

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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.