Home / 2,405.15-3,608.40-944.72

Finding the Fourth Proportional to 2,405.15, 3,608.40 and 944.72

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Solution

The fourth proportional to 2,405.15, 3,608.40 and 944.72 is: 1,417.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.15 : 3,608.40 = 944.72 : x
  2. Step 2: Convert to fraction form
    2,405.15/3,608.40 = 944.72/x
  3. Step 3: Cross multiply
    2,405.15x = 3,608.40 × 944.72
  4. Step 4: Simplify right side
    2,405.15x = 3,408,927.65
  5. Step 5: Solve for x
    x = 3,408,927.65/2,405.15
  6. Step 6: Final answer
    x = 1,417.35

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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.