Home / 3,695.36-5,100.04-2,123.40

Finding the Fourth Proportional to 3,695.36, 5,100.04 and 2,123.40

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Solution

The fourth proportional to 3,695.36, 5,100.04 and 2,123.40 is: 2,930.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.36 : 5,100.04 = 2,123.40 : x
  2. Step 2: Convert to fraction form
    3,695.36/5,100.04 = 2,123.40/x
  3. Step 3: Cross multiply
    3,695.36x = 5,100.04 × 2,123.40
  4. Step 4: Simplify right side
    3,695.36x = 10,829,424.94
  5. Step 5: Solve for x
    x = 10,829,424.94/3,695.36
  6. Step 6: Final answer
    x = 2,930.55

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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.