Home / 3,343.74-4,614.36-2,164.80

Finding the Fourth Proportional to 3,343.74, 4,614.36 and 2,164.80

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Solution

The fourth proportional to 3,343.74, 4,614.36 and 2,164.80 is: 2,987.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.74 : 4,614.36 = 2,164.80 : x
  2. Step 2: Convert to fraction form
    3,343.74/4,614.36 = 2,164.80/x
  3. Step 3: Cross multiply
    3,343.74x = 4,614.36 × 2,164.80
  4. Step 4: Simplify right side
    3,343.74x = 9,989,166.53
  5. Step 5: Solve for x
    x = 9,989,166.53/3,343.74
  6. Step 6: Final answer
    x = 2,987.42

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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.