Home / 3,418.88-4,717.99-1,926.77

Finding the Fourth Proportional to 3,418.88, 4,717.99 and 1,926.77

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Solution

The fourth proportional to 3,418.88, 4,717.99 and 1,926.77 is: 2,658.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.88 : 4,717.99 = 1,926.77 : x
  2. Step 2: Convert to fraction form
    3,418.88/4,717.99 = 1,926.77/x
  3. Step 3: Cross multiply
    3,418.88x = 4,717.99 × 1,926.77
  4. Step 4: Simplify right side
    3,418.88x = 9,090,478.10
  5. Step 5: Solve for x
    x = 9,090,478.10/3,418.88
  6. Step 6: Final answer
    x = 2,658.91

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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.