Home / 1,210.35-1,812.77-1,183.01

Finding the Fourth Proportional to 1,210.35, 1,812.77 and 1,183.01

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Solution

The fourth proportional to 1,210.35, 1,812.77 and 1,183.01 is: 1,771.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210.35 : 1,812.77 = 1,183.01 : x
  2. Step 2: Convert to fraction form
    1,210.35/1,812.77 = 1,183.01/x
  3. Step 3: Cross multiply
    1,210.35x = 1,812.77 × 1,183.01
  4. Step 4: Simplify right side
    1,210.35x = 2,144,525.04
  5. Step 5: Solve for x
    x = 2,144,525.04/1,210.35
  6. Step 6: Final answer
    x = 1,771.82

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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.