Home / 2,090.48-3,135.51-1,268.53

Finding the Fourth Proportional to 2,090.48, 3,135.51 and 1,268.53

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Solution

The fourth proportional to 2,090.48, 3,135.51 and 1,268.53 is: 1,902.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.48 : 3,135.51 = 1,268.53 : x
  2. Step 2: Convert to fraction form
    2,090.48/3,135.51 = 1,268.53/x
  3. Step 3: Cross multiply
    2,090.48x = 3,135.51 × 1,268.53
  4. Step 4: Simplify right side
    2,090.48x = 3,977,480.66
  5. Step 5: Solve for x
    x = 3,977,480.66/2,090.48
  6. Step 6: Final answer
    x = 1,902.67

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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.