Home / 1,210.09-1,806.91-1,141.65

Finding the Fourth Proportional to 1,210.09, 1,806.91 and 1,141.65

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Solution

The fourth proportional to 1,210.09, 1,806.91 and 1,141.65 is: 1,704.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210.09 : 1,806.91 = 1,141.65 : x
  2. Step 2: Convert to fraction form
    1,210.09/1,806.91 = 1,141.65/x
  3. Step 3: Cross multiply
    1,210.09x = 1,806.91 × 1,141.65
  4. Step 4: Simplify right side
    1,210.09x = 2,062,858.80
  5. Step 5: Solve for x
    x = 2,062,858.80/1,210.09
  6. Step 6: Final answer
    x = 1,704.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.