Home / 4,057.60-6,090.24-2,111.20

Finding the Fourth Proportional to 4,057.60, 6,090.24 and 2,111.20

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Solution

The fourth proportional to 4,057.60, 6,090.24 and 2,111.20 is: 3,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,057.60 : 6,090.24 = 2,111.20 : x
  2. Step 2: Convert to fraction form
    4,057.60/6,090.24 = 2,111.20/x
  3. Step 3: Cross multiply
    4,057.60x = 6,090.24 × 2,111.20
  4. Step 4: Simplify right side
    4,057.60x = 12,857,714.69
  5. Step 5: Solve for x
    x = 12,857,714.69/4,057.60
  6. Step 6: Final answer
    x = 3,168.80

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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.