Home / 3,742.08-5,157.84-3,428.32

Finding the Fourth Proportional to 3,742.08, 5,157.84 and 3,428.32

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Solution

The fourth proportional to 3,742.08, 5,157.84 and 3,428.32 is: 4,725.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.08 : 5,157.84 = 3,428.32 : x
  2. Step 2: Convert to fraction form
    3,742.08/5,157.84 = 3,428.32/x
  3. Step 3: Cross multiply
    3,742.08x = 5,157.84 × 3,428.32
  4. Step 4: Simplify right side
    3,742.08x = 17,682,726.03
  5. Step 5: Solve for x
    x = 17,682,726.03/3,742.08
  6. Step 6: Final answer
    x = 4,725.37

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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.