Home / 3,418.76-4,717.54-1,926.91

Finding the Fourth Proportional to 3,418.76, 4,717.54 and 1,926.91

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Solution

The fourth proportional to 3,418.76, 4,717.54 and 1,926.91 is: 2,658.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.76 : 4,717.54 = 1,926.91 : x
  2. Step 2: Convert to fraction form
    3,418.76/4,717.54 = 1,926.91/x
  3. Step 3: Cross multiply
    3,418.76x = 4,717.54 × 1,926.91
  4. Step 4: Simplify right side
    3,418.76x = 9,090,275.00
  5. Step 5: Solve for x
    x = 9,090,275.00/3,418.76
  6. Step 6: Final answer
    x = 2,658.94

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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.