Home / 3,243.83-4,865.55-1,856.30

Finding the Fourth Proportional to 3,243.83, 4,865.55 and 1,856.30

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Solution

The fourth proportional to 3,243.83, 4,865.55 and 1,856.30 is: 2,784.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.83 : 4,865.55 = 1,856.30 : x
  2. Step 2: Convert to fraction form
    3,243.83/4,865.55 = 1,856.30/x
  3. Step 3: Cross multiply
    3,243.83x = 4,865.55 × 1,856.30
  4. Step 4: Simplify right side
    3,243.83x = 9,031,896.14
  5. Step 5: Solve for x
    x = 9,031,896.14/3,243.83
  6. Step 6: Final answer
    x = 2,784.34

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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.