Home / 2,968.85-4,453.28-1,931.39

Finding the Fourth Proportional to 2,968.85, 4,453.28 and 1,931.39

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Solution

The fourth proportional to 2,968.85, 4,453.28 and 1,931.39 is: 2,897.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.85 : 4,453.28 = 1,931.39 : x
  2. Step 2: Convert to fraction form
    2,968.85/4,453.28 = 1,931.39/x
  3. Step 3: Cross multiply
    2,968.85x = 4,453.28 × 1,931.39
  4. Step 4: Simplify right side
    2,968.85x = 8,601,037.53
  5. Step 5: Solve for x
    x = 8,601,037.53/2,968.85
  6. Step 6: Final answer
    x = 2,897.09

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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.