Home / 2,612.08-3,935.82-2,159.92

Finding the Fourth Proportional to 2,612.08, 3,935.82 and 2,159.92

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Solution

The fourth proportional to 2,612.08, 3,935.82 and 2,159.92 is: 3,254.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.08 : 3,935.82 = 2,159.92 : x
  2. Step 2: Convert to fraction form
    2,612.08/3,935.82 = 2,159.92/x
  3. Step 3: Cross multiply
    2,612.08x = 3,935.82 × 2,159.92
  4. Step 4: Simplify right side
    2,612.08x = 8,501,056.33
  5. Step 5: Solve for x
    x = 8,501,056.33/2,612.08
  6. Step 6: Final answer
    x = 3,254.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.