Home / 2,913.71-4,372.39-1,182.34

Finding the Fourth Proportional to 2,913.71, 4,372.39 and 1,182.34

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Solution

The fourth proportional to 2,913.71, 4,372.39 and 1,182.34 is: 1,774.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.71 : 4,372.39 = 1,182.34 : x
  2. Step 2: Convert to fraction form
    2,913.71/4,372.39 = 1,182.34/x
  3. Step 3: Cross multiply
    2,913.71x = 4,372.39 × 1,182.34
  4. Step 4: Simplify right side
    2,913.71x = 5,169,651.59
  5. Step 5: Solve for x
    x = 5,169,651.59/2,913.71
  6. Step 6: Final answer
    x = 1,774.25

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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.