Home / 2,938.17-4,054.70-1,611.88

Finding the Fourth Proportional to 2,938.17, 4,054.70 and 1,611.88

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Solution

The fourth proportional to 2,938.17, 4,054.70 and 1,611.88 is: 2,224.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.17 : 4,054.70 = 1,611.88 : x
  2. Step 2: Convert to fraction form
    2,938.17/4,054.70 = 1,611.88/x
  3. Step 3: Cross multiply
    2,938.17x = 4,054.70 × 1,611.88
  4. Step 4: Simplify right side
    2,938.17x = 6,535,689.84
  5. Step 5: Solve for x
    x = 6,535,689.84/2,938.17
  6. Step 6: Final answer
    x = 2,224.41

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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.