Home / 2,361.30-3,258.33-1,313.30

Finding the Fourth Proportional to 2,361.30, 3,258.33 and 1,313.30

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Solution

The fourth proportional to 2,361.30, 3,258.33 and 1,313.30 is: 1,812.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.30 : 3,258.33 = 1,313.30 : x
  2. Step 2: Convert to fraction form
    2,361.30/3,258.33 = 1,313.30/x
  3. Step 3: Cross multiply
    2,361.30x = 3,258.33 × 1,313.30
  4. Step 4: Simplify right side
    2,361.30x = 4,279,164.79
  5. Step 5: Solve for x
    x = 4,279,164.79/2,361.30
  6. Step 6: Final answer
    x = 1,812.21

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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.