Home / 2,908.50-4,360.05-1,059.20

Finding the Fourth Proportional to 2,908.50, 4,360.05 and 1,059.20

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Solution

The fourth proportional to 2,908.50, 4,360.05 and 1,059.20 is: 1,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.50 : 4,360.05 = 1,059.20 : x
  2. Step 2: Convert to fraction form
    2,908.50/4,360.05 = 1,059.20/x
  3. Step 3: Cross multiply
    2,908.50x = 4,360.05 × 1,059.20
  4. Step 4: Simplify right side
    2,908.50x = 4,618,137.86
  5. Step 5: Solve for x
    x = 4,618,137.86/2,908.50
  6. Step 6: Final answer
    x = 1,587.81

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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.