Home / 2,297.36-3,170.40-1,366.40

Finding the Fourth Proportional to 2,297.36, 3,170.40 and 1,366.40

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Solution

The fourth proportional to 2,297.36, 3,170.40 and 1,366.40 is: 1,885.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.36 : 3,170.40 = 1,366.40 : x
  2. Step 2: Convert to fraction form
    2,297.36/3,170.40 = 1,366.40/x
  3. Step 3: Cross multiply
    2,297.36x = 3,170.40 × 1,366.40
  4. Step 4: Simplify right side
    2,297.36x = 4,332,034.56
  5. Step 5: Solve for x
    x = 4,332,034.56/2,297.36
  6. Step 6: Final answer
    x = 1,885.66

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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.