Home / 3,720.30-5,133.98-2,041.62

Finding the Fourth Proportional to 3,720.30, 5,133.98 and 2,041.62

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Solution

The fourth proportional to 3,720.30, 5,133.98 and 2,041.62 is: 2,817.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.30 : 5,133.98 = 2,041.62 : x
  2. Step 2: Convert to fraction form
    3,720.30/5,133.98 = 2,041.62/x
  3. Step 3: Cross multiply
    3,720.30x = 5,133.98 × 2,041.62
  4. Step 4: Simplify right side
    3,720.30x = 10,481,626.04
  5. Step 5: Solve for x
    x = 10,481,626.04/3,720.30
  6. Step 6: Final answer
    x = 2,817.41

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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.