Home / 2,110.30-3,165.45-1,563.55

Finding the Fourth Proportional to 2,110.30, 3,165.45 and 1,563.55

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Solution

The fourth proportional to 2,110.30, 3,165.45 and 1,563.55 is: 2,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.30 : 3,165.45 = 1,563.55 : x
  2. Step 2: Convert to fraction form
    2,110.30/3,165.45 = 1,563.55/x
  3. Step 3: Cross multiply
    2,110.30x = 3,165.45 × 1,563.55
  4. Step 4: Simplify right side
    2,110.30x = 4,949,339.35
  5. Step 5: Solve for x
    x = 4,949,339.35/2,110.30
  6. Step 6: Final answer
    x = 2,345.33

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1.5x scale

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.