Home / 2,258.12-3,384.84-1,393.04

Finding the Fourth Proportional to 2,258.12, 3,384.84 and 1,393.04

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Solution

The fourth proportional to 2,258.12, 3,384.84 and 1,393.04 is: 2,088.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.12 : 3,384.84 = 1,393.04 : x
  2. Step 2: Convert to fraction form
    2,258.12/3,384.84 = 1,393.04/x
  3. Step 3: Cross multiply
    2,258.12x = 3,384.84 × 1,393.04
  4. Step 4: Simplify right side
    2,258.12x = 4,715,217.51
  5. Step 5: Solve for x
    x = 4,715,217.51/2,258.12
  6. Step 6: Final answer
    x = 2,088.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.