Home / 3,454.99-5,178.60-1,374.43

Finding the Fourth Proportional to 3,454.99, 5,178.60 and 1,374.43

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Solution

The fourth proportional to 3,454.99, 5,178.60 and 1,374.43 is: 2,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.99 : 5,178.60 = 1,374.43 : x
  2. Step 2: Convert to fraction form
    3,454.99/5,178.60 = 1,374.43/x
  3. Step 3: Cross multiply
    3,454.99x = 5,178.60 × 1,374.43
  4. Step 4: Simplify right side
    3,454.99x = 7,117,605.40
  5. Step 5: Solve for x
    x = 7,117,605.40/3,454.99
  6. Step 6: Final answer
    x = 2,060.10

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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.