Home / 3,695.85-5,100.26-2,123.94

Finding the Fourth Proportional to 3,695.85, 5,100.26 and 2,123.94

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Solution

The fourth proportional to 3,695.85, 5,100.26 and 2,123.94 is: 2,931.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.85 : 5,100.26 = 2,123.94 : x
  2. Step 2: Convert to fraction form
    3,695.85/5,100.26 = 2,123.94/x
  3. Step 3: Cross multiply
    3,695.85x = 5,100.26 × 2,123.94
  4. Step 4: Simplify right side
    3,695.85x = 10,832,646.22
  5. Step 5: Solve for x
    x = 10,832,646.22/3,695.85
  6. Step 6: Final answer
    x = 2,931.03

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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.