Home / 2,785.08-4,170.90-1,627.32

Finding the Fourth Proportional to 2,785.08, 4,170.90 and 1,627.32

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Solution

The fourth proportional to 2,785.08, 4,170.90 and 1,627.32 is: 2,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.08 : 4,170.90 = 1,627.32 : x
  2. Step 2: Convert to fraction form
    2,785.08/4,170.90 = 1,627.32/x
  3. Step 3: Cross multiply
    2,785.08x = 4,170.90 × 1,627.32
  4. Step 4: Simplify right side
    2,785.08x = 6,787,388.99
  5. Step 5: Solve for x
    x = 6,787,388.99/2,785.08
  6. Step 6: Final answer
    x = 2,437.05

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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.