Home / 3,599.12-5,398.44-1,258.40

Finding the Fourth Proportional to 3,599.12, 5,398.44 and 1,258.40

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Solution

The fourth proportional to 3,599.12, 5,398.44 and 1,258.40 is: 1,887.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.12 : 5,398.44 = 1,258.40 : x
  2. Step 2: Convert to fraction form
    3,599.12/5,398.44 = 1,258.40/x
  3. Step 3: Cross multiply
    3,599.12x = 5,398.44 × 1,258.40
  4. Step 4: Simplify right side
    3,599.12x = 6,793,396.90
  5. Step 5: Solve for x
    x = 6,793,396.90/3,599.12
  6. Step 6: Final answer
    x = 1,887.52

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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.