Home / 3,418.08-4,717.20-1,925.92

Finding the Fourth Proportional to 3,418.08, 4,717.20 and 1,925.92

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Solution

The fourth proportional to 3,418.08, 4,717.20 and 1,925.92 is: 2,657.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.08 : 4,717.20 = 1,925.92 : x
  2. Step 2: Convert to fraction form
    3,418.08/4,717.20 = 1,925.92/x
  3. Step 3: Cross multiply
    3,418.08x = 4,717.20 × 1,925.92
  4. Step 4: Simplify right side
    3,418.08x = 9,084,949.82
  5. Step 5: Solve for x
    x = 9,084,949.82/3,418.08
  6. Step 6: Final answer
    x = 2,657.91

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1.5x scale

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.