Home / 2,591.26-3,888.03-1,358.37

Finding the Fourth Proportional to 2,591.26, 3,888.03 and 1,358.37

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Solution

The fourth proportional to 2,591.26, 3,888.03 and 1,358.37 is: 2,038.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.26 : 3,888.03 = 1,358.37 : x
  2. Step 2: Convert to fraction form
    2,591.26/3,888.03 = 1,358.37/x
  3. Step 3: Cross multiply
    2,591.26x = 3,888.03 × 1,358.37
  4. Step 4: Simplify right side
    2,591.26x = 5,281,379.92
  5. Step 5: Solve for x
    x = 5,281,379.92/2,591.26
  6. Step 6: Final answer
    x = 2,038.16

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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.