Home / 2,501.12-3,741.78-2,090.90

Finding the Fourth Proportional to 2,501.12, 3,741.78 and 2,090.90

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Solution

The fourth proportional to 2,501.12, 3,741.78 and 2,090.90 is: 3,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,501.12 : 3,741.78 = 2,090.90 : x
  2. Step 2: Convert to fraction form
    2,501.12/3,741.78 = 2,090.90/x
  3. Step 3: Cross multiply
    2,501.12x = 3,741.78 × 2,090.90
  4. Step 4: Simplify right side
    2,501.12x = 7,823,687.80
  5. Step 5: Solve for x
    x = 7,823,687.80/2,501.12
  6. Step 6: Final answer
    x = 3,128.07

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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.