Home / 2,917.08-4,027.74-1,869.72

Finding the Fourth Proportional to 2,917.08, 4,027.74 and 1,869.72

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Solution

The fourth proportional to 2,917.08, 4,027.74 and 1,869.72 is: 2,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.08 : 4,027.74 = 1,869.72 : x
  2. Step 2: Convert to fraction form
    2,917.08/4,027.74 = 1,869.72/x
  3. Step 3: Cross multiply
    2,917.08x = 4,027.74 × 1,869.72
  4. Step 4: Simplify right side
    2,917.08x = 7,530,746.03
  5. Step 5: Solve for x
    x = 7,530,746.03/2,917.08
  6. Step 6: Final answer
    x = 2,581.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.