Home / 3,739.10-5,157.01-3,487.59

Finding the Fourth Proportional to 3,739.10, 5,157.01 and 3,487.59

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Solution

The fourth proportional to 3,739.10, 5,157.01 and 3,487.59 is: 4,810.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.10 : 5,157.01 = 3,487.59 : x
  2. Step 2: Convert to fraction form
    3,739.10/5,157.01 = 3,487.59/x
  3. Step 3: Cross multiply
    3,739.10x = 5,157.01 × 3,487.59
  4. Step 4: Simplify right side
    3,739.10x = 17,985,540.68
  5. Step 5: Solve for x
    x = 17,985,540.68/3,739.10
  6. Step 6: Final answer
    x = 4,810.13

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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.