Home / 3,209.16-4,810.50-1,260.60

Finding the Fourth Proportional to 3,209.16, 4,810.50 and 1,260.60

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Solution

The fourth proportional to 3,209.16, 4,810.50 and 1,260.60 is: 1,889.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.16 : 4,810.50 = 1,260.60 : x
  2. Step 2: Convert to fraction form
    3,209.16/4,810.50 = 1,260.60/x
  3. Step 3: Cross multiply
    3,209.16x = 4,810.50 × 1,260.60
  4. Step 4: Simplify right side
    3,209.16x = 6,064,116.30
  5. Step 5: Solve for x
    x = 6,064,116.30/3,209.16
  6. Step 6: Final answer
    x = 1,889.63

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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.