Home / 3,342.68-4,611.36-2,164.13

Finding the Fourth Proportional to 3,342.68, 4,611.36 and 2,164.13

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Solution

The fourth proportional to 3,342.68, 4,611.36 and 2,164.13 is: 2,985.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.68 : 4,611.36 = 2,164.13 : x
  2. Step 2: Convert to fraction form
    3,342.68/4,611.36 = 2,164.13/x
  3. Step 3: Cross multiply
    3,342.68x = 4,611.36 × 2,164.13
  4. Step 4: Simplify right side
    3,342.68x = 9,979,582.52
  5. Step 5: Solve for x
    x = 9,979,582.52/3,342.68
  6. Step 6: Final answer
    x = 2,985.50

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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.