Home / 3,160.33-4,741.56-1,988.95

Finding the Fourth Proportional to 3,160.33, 4,741.56 and 1,988.95

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Solution

The fourth proportional to 3,160.33, 4,741.56 and 1,988.95 is: 2,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.33 : 4,741.56 = 1,988.95 : x
  2. Step 2: Convert to fraction form
    3,160.33/4,741.56 = 1,988.95/x
  3. Step 3: Cross multiply
    3,160.33x = 4,741.56 × 1,988.95
  4. Step 4: Simplify right side
    3,160.33x = 9,430,725.76
  5. Step 5: Solve for x
    x = 9,430,725.76/3,160.33
  6. Step 6: Final answer
    x = 2,984.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.