Home / 3,477.03-5,215.38-2,090.76

Finding the Fourth Proportional to 3,477.03, 5,215.38 and 2,090.76

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Solution

The fourth proportional to 3,477.03, 5,215.38 and 2,090.76 is: 3,136.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.03 : 5,215.38 = 2,090.76 : x
  2. Step 2: Convert to fraction form
    3,477.03/5,215.38 = 2,090.76/x
  3. Step 3: Cross multiply
    3,477.03x = 5,215.38 × 2,090.76
  4. Step 4: Simplify right side
    3,477.03x = 10,904,107.89
  5. Step 5: Solve for x
    x = 10,904,107.89/3,477.03
  6. Step 6: Final answer
    x = 3,136.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.