Home / 4,239.41-5,855.18-2,892.71

Finding the Fourth Proportional to 4,239.41, 5,855.18 and 2,892.71

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Solution

The fourth proportional to 4,239.41, 5,855.18 and 2,892.71 is: 3,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.41 : 5,855.18 = 2,892.71 : x
  2. Step 2: Convert to fraction form
    4,239.41/5,855.18 = 2,892.71/x
  3. Step 3: Cross multiply
    4,239.41x = 5,855.18 × 2,892.71
  4. Step 4: Simplify right side
    4,239.41x = 16,937,337.74
  5. Step 5: Solve for x
    x = 16,937,337.74/4,239.41
  6. Step 6: Final answer
    x = 3,995.21

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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.