Home / 3,720.15-5,134.14-2,041.88

Finding the Fourth Proportional to 3,720.15, 5,134.14 and 2,041.88

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Solution

The fourth proportional to 3,720.15, 5,134.14 and 2,041.88 is: 2,817.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.15 : 5,134.14 = 2,041.88 : x
  2. Step 2: Convert to fraction form
    3,720.15/5,134.14 = 2,041.88/x
  3. Step 3: Cross multiply
    3,720.15x = 5,134.14 × 2,041.88
  4. Step 4: Simplify right side
    3,720.15x = 10,483,297.78
  5. Step 5: Solve for x
    x = 10,483,297.78/3,720.15
  6. Step 6: Final answer
    x = 2,817.98

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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.