Home / 3,099.89-4,277.79-1,702.63

Finding the Fourth Proportional to 3,099.89, 4,277.79 and 1,702.63

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Solution

The fourth proportional to 3,099.89, 4,277.79 and 1,702.63 is: 2,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.89 : 4,277.79 = 1,702.63 : x
  2. Step 2: Convert to fraction form
    3,099.89/4,277.79 = 1,702.63/x
  3. Step 3: Cross multiply
    3,099.89x = 4,277.79 × 1,702.63
  4. Step 4: Simplify right side
    3,099.89x = 7,283,493.59
  5. Step 5: Solve for x
    x = 7,283,493.59/3,099.89
  6. Step 6: Final answer
    x = 2,349.60

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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.