Home / 3,696.40-5,101.55-2,124.46

Finding the Fourth Proportional to 3,696.40, 5,101.55 and 2,124.46

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Solution

The fourth proportional to 3,696.40, 5,101.55 and 2,124.46 is: 2,932.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.40 : 5,101.55 = 2,124.46 : x
  2. Step 2: Convert to fraction form
    3,696.40/5,101.55 = 2,124.46/x
  3. Step 3: Cross multiply
    3,696.40x = 5,101.55 × 2,124.46
  4. Step 4: Simplify right side
    3,696.40x = 10,838,038.91
  5. Step 5: Solve for x
    x = 10,838,038.91/3,696.40
  6. Step 6: Final answer
    x = 2,932.05

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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.