Home / 3,616.10-5,415.50-1,856.48

Finding the Fourth Proportional to 3,616.10, 5,415.50 and 1,856.48

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Solution

The fourth proportional to 3,616.10, 5,415.50 and 1,856.48 is: 2,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.10 : 5,415.50 = 1,856.48 : x
  2. Step 2: Convert to fraction form
    3,616.10/5,415.50 = 1,856.48/x
  3. Step 3: Cross multiply
    3,616.10x = 5,415.50 × 1,856.48
  4. Step 4: Simplify right side
    3,616.10x = 10,053,767.44
  5. Step 5: Solve for x
    x = 10,053,767.44/3,616.10
  6. Step 6: Final answer
    x = 2,780.28

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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.