Home / 3,343.59-4,614.71-2,783.21

Finding the Fourth Proportional to 3,343.59, 4,614.71 and 2,783.21

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Solution

The fourth proportional to 3,343.59, 4,614.71 and 2,783.21 is: 3,841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.59 : 4,614.71 = 2,783.21 : x
  2. Step 2: Convert to fraction form
    3,343.59/4,614.71 = 2,783.21/x
  3. Step 3: Cross multiply
    3,343.59x = 4,614.71 × 2,783.21
  4. Step 4: Simplify right side
    3,343.59x = 12,843,670.03
  5. Step 5: Solve for x
    x = 12,843,670.03/3,343.59
  6. Step 6: Final answer
    x = 3,841.28

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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.