Home / 3,099.78-4,277.64-1,702.50

Finding the Fourth Proportional to 3,099.78, 4,277.64 and 1,702.50

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Solution

The fourth proportional to 3,099.78, 4,277.64 and 1,702.50 is: 2,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.78 : 4,277.64 = 1,702.50 : x
  2. Step 2: Convert to fraction form
    3,099.78/4,277.64 = 1,702.50/x
  3. Step 3: Cross multiply
    3,099.78x = 4,277.64 × 1,702.50
  4. Step 4: Simplify right side
    3,099.78x = 7,282,682.10
  5. Step 5: Solve for x
    x = 7,282,682.10/3,099.78
  6. Step 6: Final answer
    x = 2,349.42

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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.