Home / 1,210.09-1,806.44-1,156.90

Finding the Fourth Proportional to 1,210.09, 1,806.44 and 1,156.90

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Solution

The fourth proportional to 1,210.09, 1,806.44 and 1,156.90 is: 1,727.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210.09 : 1,806.44 = 1,156.90 : x
  2. Step 2: Convert to fraction form
    1,210.09/1,806.44 = 1,156.90/x
  3. Step 3: Cross multiply
    1,210.09x = 1,806.44 × 1,156.90
  4. Step 4: Simplify right side
    1,210.09x = 2,089,870.44
  5. Step 5: Solve for x
    x = 2,089,870.44/1,210.09
  6. Step 6: Final answer
    x = 1,727.04

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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.