Home / 2,974.43-4,461.54-1,415.55

Finding the Fourth Proportional to 2,974.43, 4,461.54 and 1,415.55

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Solution

The fourth proportional to 2,974.43, 4,461.54 and 1,415.55 is: 2,123.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.43 : 4,461.54 = 1,415.55 : x
  2. Step 2: Convert to fraction form
    2,974.43/4,461.54 = 1,415.55/x
  3. Step 3: Cross multiply
    2,974.43x = 4,461.54 × 1,415.55
  4. Step 4: Simplify right side
    2,974.43x = 6,315,532.95
  5. Step 5: Solve for x
    x = 6,315,532.95/2,974.43
  6. Step 6: Final answer
    x = 2,123.28

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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.