Home / 2,599.13-3,898.70-1,138.28

Finding the Fourth Proportional to 2,599.13, 3,898.70 and 1,138.28

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Solution

The fourth proportional to 2,599.13, 3,898.70 and 1,138.28 is: 1,707.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.13 : 3,898.70 = 1,138.28 : x
  2. Step 2: Convert to fraction form
    2,599.13/3,898.70 = 1,138.28/x
  3. Step 3: Cross multiply
    2,599.13x = 3,898.70 × 1,138.28
  4. Step 4: Simplify right side
    2,599.13x = 4,437,787.05
  5. Step 5: Solve for x
    x = 4,437,787.05/2,599.13
  6. Step 6: Final answer
    x = 1,707.42

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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.