Home / 3,342.82-4,611.54-2,164.28

Finding the Fourth Proportional to 3,342.82, 4,611.54 and 2,164.28

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Solution

The fourth proportional to 3,342.82, 4,611.54 and 2,164.28 is: 2,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.82 : 4,611.54 = 2,164.28 : x
  2. Step 2: Convert to fraction form
    3,342.82/4,611.54 = 2,164.28/x
  3. Step 3: Cross multiply
    3,342.82x = 4,611.54 × 2,164.28
  4. Step 4: Simplify right side
    3,342.82x = 9,980,663.79
  5. Step 5: Solve for x
    x = 9,980,663.79/3,342.82
  6. Step 6: Final answer
    x = 2,985.70

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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.