Home / 1,707.05-2,559.16-1,188.08

Finding the Fourth Proportional to 1,707.05, 2,559.16 and 1,188.08

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Solution

The fourth proportional to 1,707.05, 2,559.16 and 1,188.08 is: 1,781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.05 : 2,559.16 = 1,188.08 : x
  2. Step 2: Convert to fraction form
    1,707.05/2,559.16 = 1,188.08/x
  3. Step 3: Cross multiply
    1,707.05x = 2,559.16 × 1,188.08
  4. Step 4: Simplify right side
    1,707.05x = 3,040,485.10
  5. Step 5: Solve for x
    x = 3,040,485.10/1,707.05
  6. Step 6: Final answer
    x = 1,781.13

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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.