Home / 3,684.36-5,082.57-2,637.03

Finding the Fourth Proportional to 3,684.36, 5,082.57 and 2,637.03

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Solution

The fourth proportional to 3,684.36, 5,082.57 and 2,637.03 is: 3,637.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.36 : 5,082.57 = 2,637.03 : x
  2. Step 2: Convert to fraction form
    3,684.36/5,082.57 = 2,637.03/x
  3. Step 3: Cross multiply
    3,684.36x = 5,082.57 × 2,637.03
  4. Step 4: Simplify right side
    3,684.36x = 13,402,889.57
  5. Step 5: Solve for x
    x = 13,402,889.57/3,684.36
  6. Step 6: Final answer
    x = 3,637.78

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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.