Home / 3,696.72-5,099.13-2,810.58

Finding the Fourth Proportional to 3,696.72, 5,099.13 and 2,810.58

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Solution

The fourth proportional to 3,696.72, 5,099.13 and 2,810.58 is: 3,876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.72 : 5,099.13 = 2,810.58 : x
  2. Step 2: Convert to fraction form
    3,696.72/5,099.13 = 2,810.58/x
  3. Step 3: Cross multiply
    3,696.72x = 5,099.13 × 2,810.58
  4. Step 4: Simplify right side
    3,696.72x = 14,331,512.80
  5. Step 5: Solve for x
    x = 14,331,512.80/3,696.72
  6. Step 6: Final answer
    x = 3,876.82

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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.