Home / 2,558.00-3,818.32-2,195.12

Finding the Fourth Proportional to 2,558.00, 3,818.32 and 2,195.12

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Solution

The fourth proportional to 2,558.00, 3,818.32 and 2,195.12 is: 3,276.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.00 : 3,818.32 = 2,195.12 : x
  2. Step 2: Convert to fraction form
    2,558.00/3,818.32 = 2,195.12/x
  3. Step 3: Cross multiply
    2,558.00x = 3,818.32 × 2,195.12
  4. Step 4: Simplify right side
    2,558.00x = 8,381,651.51
  5. Step 5: Solve for x
    x = 8,381,651.51/2,558.00
  6. Step 6: Final answer
    x = 3,276.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.