Home / 3,696.60-5,101.09-2,124.70

Finding the Fourth Proportional to 3,696.60, 5,101.09 and 2,124.70

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Solution

The fourth proportional to 3,696.60, 5,101.09 and 2,124.70 is: 2,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.60 : 5,101.09 = 2,124.70 : x
  2. Step 2: Convert to fraction form
    3,696.60/5,101.09 = 2,124.70/x
  3. Step 3: Cross multiply
    3,696.60x = 5,101.09 × 2,124.70
  4. Step 4: Simplify right side
    3,696.60x = 10,838,285.92
  5. Step 5: Solve for x
    x = 10,838,285.92/3,696.60
  6. Step 6: Final answer
    x = 2,931.96

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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.