Home / 3,746.79-5,617.35-2,926.80

Finding the Fourth Proportional to 3,746.79, 5,617.35 and 2,926.80

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Solution

The fourth proportional to 3,746.79, 5,617.35 and 2,926.80 is: 4,387.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.79 : 5,617.35 = 2,926.80 : x
  2. Step 2: Convert to fraction form
    3,746.79/5,617.35 = 2,926.80/x
  3. Step 3: Cross multiply
    3,746.79x = 5,617.35 × 2,926.80
  4. Step 4: Simplify right side
    3,746.79x = 16,440,859.98
  5. Step 5: Solve for x
    x = 16,440,859.98/3,746.79
  6. Step 6: Final answer
    x = 4,387.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.