Home / 2,405.08-3,603.96-1,785.88

Finding the Fourth Proportional to 2,405.08, 3,603.96 and 1,785.88

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Solution

The fourth proportional to 2,405.08, 3,603.96 and 1,785.88 is: 2,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.08 : 3,603.96 = 1,785.88 : x
  2. Step 2: Convert to fraction form
    2,405.08/3,603.96 = 1,785.88/x
  3. Step 3: Cross multiply
    2,405.08x = 3,603.96 × 1,785.88
  4. Step 4: Simplify right side
    2,405.08x = 6,436,240.08
  5. Step 5: Solve for x
    x = 6,436,240.08/2,405.08
  6. Step 6: Final answer
    x = 2,676.10

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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.