Home / 2,107.56-2,903.82-1,517.07

Finding the Fourth Proportional to 2,107.56, 2,903.82 and 1,517.07

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Solution

The fourth proportional to 2,107.56, 2,903.82 and 1,517.07 is: 2,090.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.56 : 2,903.82 = 1,517.07 : x
  2. Step 2: Convert to fraction form
    2,107.56/2,903.82 = 1,517.07/x
  3. Step 3: Cross multiply
    2,107.56x = 2,903.82 × 1,517.07
  4. Step 4: Simplify right side
    2,107.56x = 4,405,298.21
  5. Step 5: Solve for x
    x = 4,405,298.21/2,107.56
  6. Step 6: Final answer
    x = 2,090.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.