Home / 3,210.48-4,420.17-2,796.30

Finding the Fourth Proportional to 3,210.48, 4,420.17 and 2,796.30

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Solution

The fourth proportional to 3,210.48, 4,420.17 and 2,796.30 is: 3,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.48 : 4,420.17 = 2,796.30 : x
  2. Step 2: Convert to fraction form
    3,210.48/4,420.17 = 2,796.30/x
  3. Step 3: Cross multiply
    3,210.48x = 4,420.17 × 2,796.30
  4. Step 4: Simplify right side
    3,210.48x = 12,360,121.37
  5. Step 5: Solve for x
    x = 12,360,121.37/3,210.48
  6. Step 6: Final answer
    x = 3,849.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.