Home / 2,361.13-3,258.42-1,313.26

Finding the Fourth Proportional to 2,361.13, 3,258.42 and 1,313.26

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Solution

The fourth proportional to 2,361.13, 3,258.42 and 1,313.26 is: 1,812.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.13 : 3,258.42 = 1,313.26 : x
  2. Step 2: Convert to fraction form
    2,361.13/3,258.42 = 1,313.26/x
  3. Step 3: Cross multiply
    2,361.13x = 3,258.42 × 1,313.26
  4. Step 4: Simplify right side
    2,361.13x = 4,279,152.65
  5. Step 5: Solve for x
    x = 4,279,152.65/2,361.13
  6. Step 6: Final answer
    x = 1,812.33

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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.