Home / 2,415.40-3,617.52-2,375.26

Finding the Fourth Proportional to 2,415.40, 3,617.52 and 2,375.26

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Solution

The fourth proportional to 2,415.40, 3,617.52 and 2,375.26 is: 3,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.40 : 3,617.52 = 2,375.26 : x
  2. Step 2: Convert to fraction form
    2,415.40/3,617.52 = 2,375.26/x
  3. Step 3: Cross multiply
    2,415.40x = 3,617.52 × 2,375.26
  4. Step 4: Simplify right side
    2,415.40x = 8,592,550.56
  5. Step 5: Solve for x
    x = 8,592,550.56/2,415.40
  6. Step 6: Final answer
    x = 3,557.40

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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.