Home / 3,291.06-4,940.45-2,598.20

Finding the Fourth Proportional to 3,291.06, 4,940.45 and 2,598.20

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Solution

The fourth proportional to 3,291.06, 4,940.45 and 2,598.20 is: 3,900.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.06 : 4,940.45 = 2,598.20 : x
  2. Step 2: Convert to fraction form
    3,291.06/4,940.45 = 2,598.20/x
  3. Step 3: Cross multiply
    3,291.06x = 4,940.45 × 2,598.20
  4. Step 4: Simplify right side
    3,291.06x = 12,836,239.50
  5. Step 5: Solve for x
    x = 12,836,239.50/3,291.06
  6. Step 6: Final answer
    x = 3,900.34

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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.