Home / 2,361.12-3,258.08-1,416.72

Finding the Fourth Proportional to 2,361.12, 3,258.08 and 1,416.72

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Solution

The fourth proportional to 2,361.12, 3,258.08 and 1,416.72 is: 1,954.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.12 : 3,258.08 = 1,416.72 : x
  2. Step 2: Convert to fraction form
    2,361.12/3,258.08 = 1,416.72/x
  3. Step 3: Cross multiply
    2,361.12x = 3,258.08 × 1,416.72
  4. Step 4: Simplify right side
    2,361.12x = 4,615,787.10
  5. Step 5: Solve for x
    x = 4,615,787.10/2,361.12
  6. Step 6: Final answer
    x = 1,954.91

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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.