Home / 3,926.93-5,418.50-2,602.43

Finding the Fourth Proportional to 3,926.93, 5,418.50 and 2,602.43

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Solution

The fourth proportional to 3,926.93, 5,418.50 and 2,602.43 is: 3,590.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.93 : 5,418.50 = 2,602.43 : x
  2. Step 2: Convert to fraction form
    3,926.93/5,418.50 = 2,602.43/x
  3. Step 3: Cross multiply
    3,926.93x = 5,418.50 × 2,602.43
  4. Step 4: Simplify right side
    3,926.93x = 14,101,246.37
  5. Step 5: Solve for x
    x = 14,101,246.37/3,926.93
  6. Step 6: Final answer
    x = 3,590.91

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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.