Home / 1,598.18-2,396.79-720.17

Finding the Fourth Proportional to 1,598.18, 2,396.79 and 720.17

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Solution

The fourth proportional to 1,598.18, 2,396.79 and 720.17 is: 1,080.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.18 : 2,396.79 = 720.17 : x
  2. Step 2: Convert to fraction form
    1,598.18/2,396.79 = 720.17/x
  3. Step 3: Cross multiply
    1,598.18x = 2,396.79 × 720.17
  4. Step 4: Simplify right side
    1,598.18x = 1,726,093.26
  5. Step 5: Solve for x
    x = 1,726,093.26/1,598.18
  6. Step 6: Final answer
    x = 1,080.04

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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.