Home / 3,418.91-4,717.95-1,927.13

Finding the Fourth Proportional to 3,418.91, 4,717.95 and 1,927.13

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Solution

The fourth proportional to 3,418.91, 4,717.95 and 1,927.13 is: 2,659.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.91 : 4,717.95 = 1,927.13 : x
  2. Step 2: Convert to fraction form
    3,418.91/4,717.95 = 1,927.13/x
  3. Step 3: Cross multiply
    3,418.91x = 4,717.95 × 1,927.13
  4. Step 4: Simplify right side
    3,418.91x = 9,092,102.98
  5. Step 5: Solve for x
    x = 9,092,102.98/3,418.91
  6. Step 6: Final answer
    x = 2,659.36

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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.