Home / 3,612.85-5,410.62-1,853.23

Finding the Fourth Proportional to 3,612.85, 5,410.62 and 1,853.23

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Solution

The fourth proportional to 3,612.85, 5,410.62 and 1,853.23 is: 2,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.85 : 5,410.62 = 1,853.23 : x
  2. Step 2: Convert to fraction form
    3,612.85/5,410.62 = 1,853.23/x
  3. Step 3: Cross multiply
    3,612.85x = 5,410.62 × 1,853.23
  4. Step 4: Simplify right side
    3,612.85x = 10,027,125.13
  5. Step 5: Solve for x
    x = 10,027,125.13/3,612.85
  6. Step 6: Final answer
    x = 2,775.40

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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.