Home / 3,210.13-4,817.22-1,262.28

Finding the Fourth Proportional to 3,210.13, 4,817.22 and 1,262.28

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Solution

The fourth proportional to 3,210.13, 4,817.22 and 1,262.28 is: 1,894.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.13 : 4,817.22 = 1,262.28 : x
  2. Step 2: Convert to fraction form
    3,210.13/4,817.22 = 1,262.28/x
  3. Step 3: Cross multiply
    3,210.13x = 4,817.22 × 1,262.28
  4. Step 4: Simplify right side
    3,210.13x = 6,080,674.15
  5. Step 5: Solve for x
    x = 6,080,674.15/3,210.13
  6. Step 6: Final answer
    x = 1,894.22

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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.