Home / 1,707.66-2,562.21-1,091.16

Finding the Fourth Proportional to 1,707.66, 2,562.21 and 1,091.16

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Solution

The fourth proportional to 1,707.66, 2,562.21 and 1,091.16 is: 1,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.66 : 2,562.21 = 1,091.16 : x
  2. Step 2: Convert to fraction form
    1,707.66/2,562.21 = 1,091.16/x
  3. Step 3: Cross multiply
    1,707.66x = 2,562.21 × 1,091.16
  4. Step 4: Simplify right side
    1,707.66x = 2,795,781.06
  5. Step 5: Solve for x
    x = 2,795,781.06/1,707.66
  6. Step 6: Final answer
    x = 1,637.20

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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.