Home / 4,385.19-6,579.71-1,611.20

Finding the Fourth Proportional to 4,385.19, 6,579.71 and 1,611.20

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Solution

The fourth proportional to 4,385.19, 6,579.71 and 1,611.20 is: 2,417.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.19 : 6,579.71 = 1,611.20 : x
  2. Step 2: Convert to fraction form
    4,385.19/6,579.71 = 1,611.20/x
  3. Step 3: Cross multiply
    4,385.19x = 6,579.71 × 1,611.20
  4. Step 4: Simplify right side
    4,385.19x = 10,601,253.01
  5. Step 5: Solve for x
    x = 10,601,253.01/4,385.19
  6. Step 6: Final answer
    x = 2,417.51

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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.