Home / 3,612.08-5,416.16-1,856.36

Finding the Fourth Proportional to 3,612.08, 5,416.16 and 1,856.36

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Solution

The fourth proportional to 3,612.08, 5,416.16 and 1,856.36 is: 2,783.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.08 : 5,416.16 = 1,856.36 : x
  2. Step 2: Convert to fraction form
    3,612.08/5,416.16 = 1,856.36/x
  3. Step 3: Cross multiply
    3,612.08x = 5,416.16 × 1,856.36
  4. Step 4: Simplify right side
    3,612.08x = 10,054,342.78
  5. Step 5: Solve for x
    x = 10,054,342.78/3,612.08
  6. Step 6: Final answer
    x = 2,783.53

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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.