Home / 2,703.42-4,057.36-2,090.86

Finding the Fourth Proportional to 2,703.42, 4,057.36 and 2,090.86

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Solution

The fourth proportional to 2,703.42, 4,057.36 and 2,090.86 is: 3,138.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.42 : 4,057.36 = 2,090.86 : x
  2. Step 2: Convert to fraction form
    2,703.42/4,057.36 = 2,090.86/x
  3. Step 3: Cross multiply
    2,703.42x = 4,057.36 × 2,090.86
  4. Step 4: Simplify right side
    2,703.42x = 8,483,371.73
  5. Step 5: Solve for x
    x = 8,483,371.73/2,703.42
  6. Step 6: Final answer
    x = 3,138.01

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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.