Home / 3,720.18-5,133.98-2,041.66

Finding the Fourth Proportional to 3,720.18, 5,133.98 and 2,041.66

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Solution

The fourth proportional to 3,720.18, 5,133.98 and 2,041.66 is: 2,817.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.18 : 5,133.98 = 2,041.66 : x
  2. Step 2: Convert to fraction form
    3,720.18/5,133.98 = 2,041.66/x
  3. Step 3: Cross multiply
    3,720.18x = 5,133.98 × 2,041.66
  4. Step 4: Simplify right side
    3,720.18x = 10,481,841.61
  5. Step 5: Solve for x
    x = 10,481,841.61/3,720.18
  6. Step 6: Final answer
    x = 2,817.56

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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.