Home / 4,106.18-6,157.85-1,640.34

Finding the Fourth Proportional to 4,106.18, 6,157.85 and 1,640.34

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Solution

The fourth proportional to 4,106.18, 6,157.85 and 1,640.34 is: 2,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.18 : 6,157.85 = 1,640.34 : x
  2. Step 2: Convert to fraction form
    4,106.18/6,157.85 = 1,640.34/x
  3. Step 3: Cross multiply
    4,106.18x = 6,157.85 × 1,640.34
  4. Step 4: Simplify right side
    4,106.18x = 10,100,959.47
  5. Step 5: Solve for x
    x = 10,100,959.47/4,106.18
  6. Step 6: Final answer
    x = 2,459.94

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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.