Home / 3,418.77-4,717.86-1,926.84

Finding the Fourth Proportional to 3,418.77, 4,717.86 and 1,926.84

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Solution

The fourth proportional to 3,418.77, 4,717.86 and 1,926.84 is: 2,659.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.77 : 4,717.86 = 1,926.84 : x
  2. Step 2: Convert to fraction form
    3,418.77/4,717.86 = 1,926.84/x
  3. Step 3: Cross multiply
    3,418.77x = 4,717.86 × 1,926.84
  4. Step 4: Simplify right side
    3,418.77x = 9,090,561.36
  5. Step 5: Solve for x
    x = 9,090,561.36/3,418.77
  6. Step 6: Final answer
    x = 2,659.02

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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.