Home / 1,938.52-2,676-1,348.84

Finding the Fourth Proportional to 1,938.52, 2,676 and 1,348.84

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Solution

The fourth proportional to 1,938.52, 2,676 and 1,348.84 is: 1,861.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.52 : 2,676 = 1,348.84 : x
  2. Step 2: Convert to fraction form
    1,938.52/2,676 = 1,348.84/x
  3. Step 3: Cross multiply
    1,938.52x = 2,676 × 1,348.84
  4. Step 4: Simplify right side
    1,938.52x = 3,609,495.84
  5. Step 5: Solve for x
    x = 3,609,495.84/1,938.52
  6. Step 6: Final answer
    x = 1,861.99

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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.