Home / 3,367.35-5,045.45-1,721.63

Finding the Fourth Proportional to 3,367.35, 5,045.45 and 1,721.63

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Solution

The fourth proportional to 3,367.35, 5,045.45 and 1,721.63 is: 2,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.35 : 5,045.45 = 1,721.63 : x
  2. Step 2: Convert to fraction form
    3,367.35/5,045.45 = 1,721.63/x
  3. Step 3: Cross multiply
    3,367.35x = 5,045.45 × 1,721.63
  4. Step 4: Simplify right side
    3,367.35x = 8,686,415.00
  5. Step 5: Solve for x
    x = 8,686,415.00/3,367.35
  6. Step 6: Final answer
    x = 2,579.60

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1.5x scale

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.