Home / 2,297.57-3,170.65-1,249.63

Finding the Fourth Proportional to 2,297.57, 3,170.65 and 1,249.63

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Solution

The fourth proportional to 2,297.57, 3,170.65 and 1,249.63 is: 1,724.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.57 : 3,170.65 = 1,249.63 : x
  2. Step 2: Convert to fraction form
    2,297.57/3,170.65 = 1,249.63/x
  3. Step 3: Cross multiply
    2,297.57x = 3,170.65 × 1,249.63
  4. Step 4: Simplify right side
    2,297.57x = 3,962,139.36
  5. Step 5: Solve for x
    x = 3,962,139.36/2,297.57
  6. Step 6: Final answer
    x = 1,724.49

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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.