Home / 2,293.70-3,165.29-1,245.75

Finding the Fourth Proportional to 2,293.70, 3,165.29 and 1,245.75

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Solution

The fourth proportional to 2,293.70, 3,165.29 and 1,245.75 is: 1,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.70 : 3,165.29 = 1,245.75 : x
  2. Step 2: Convert to fraction form
    2,293.70/3,165.29 = 1,245.75/x
  3. Step 3: Cross multiply
    2,293.70x = 3,165.29 × 1,245.75
  4. Step 4: Simplify right side
    2,293.70x = 3,943,153.79
  5. Step 5: Solve for x
    x = 3,943,153.79/2,293.70
  6. Step 6: Final answer
    x = 1,719.13

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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.