Home / 1,708.24-2,561.46-1,091.80

Finding the Fourth Proportional to 1,708.24, 2,561.46 and 1,091.80

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Solution

The fourth proportional to 1,708.24, 2,561.46 and 1,091.80 is: 1,637.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.24 : 2,561.46 = 1,091.80 : x
  2. Step 2: Convert to fraction form
    1,708.24/2,561.46 = 1,091.80/x
  3. Step 3: Cross multiply
    1,708.24x = 2,561.46 × 1,091.80
  4. Step 4: Simplify right side
    1,708.24x = 2,796,602.03
  5. Step 5: Solve for x
    x = 2,796,602.03/1,708.24
  6. Step 6: Final answer
    x = 1,637.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.