Home / 2,856.96-4,275.72-2,210.58

Finding the Fourth Proportional to 2,856.96, 4,275.72 and 2,210.58

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Solution

The fourth proportional to 2,856.96, 4,275.72 and 2,210.58 is: 3,308.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.96 : 4,275.72 = 2,210.58 : x
  2. Step 2: Convert to fraction form
    2,856.96/4,275.72 = 2,210.58/x
  3. Step 3: Cross multiply
    2,856.96x = 4,275.72 × 2,210.58
  4. Step 4: Simplify right side
    2,856.96x = 9,451,821.12
  5. Step 5: Solve for x
    x = 9,451,821.12/2,856.96
  6. Step 6: Final answer
    x = 3,308.35

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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.