Home / 2,090.55-3,137.31-1,544.20

Finding the Fourth Proportional to 2,090.55, 3,137.31 and 1,544.20

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Solution

The fourth proportional to 2,090.55, 3,137.31 and 1,544.20 is: 2,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.55 : 3,137.31 = 1,544.20 : x
  2. Step 2: Convert to fraction form
    2,090.55/3,137.31 = 1,544.20/x
  3. Step 3: Cross multiply
    2,090.55x = 3,137.31 × 1,544.20
  4. Step 4: Simplify right side
    2,090.55x = 4,844,634.10
  5. Step 5: Solve for x
    x = 4,844,634.10/2,090.55
  6. Step 6: Final answer
    x = 2,317.40

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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.