Home / 2,856.83-4,279.58-2,237.64

Finding the Fourth Proportional to 2,856.83, 4,279.58 and 2,237.64

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Solution

The fourth proportional to 2,856.83, 4,279.58 and 2,237.64 is: 3,352.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.83 : 4,279.58 = 2,237.64 : x
  2. Step 2: Convert to fraction form
    2,856.83/4,279.58 = 2,237.64/x
  3. Step 3: Cross multiply
    2,856.83x = 4,279.58 × 2,237.64
  4. Step 4: Simplify right side
    2,856.83x = 9,576,148.20
  5. Step 5: Solve for x
    x = 9,576,148.20/2,856.83
  6. Step 6: Final answer
    x = 3,352.02

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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.