Home / 1,716.36-2,574.59-1,188.75

Finding the Fourth Proportional to 1,716.36, 2,574.59 and 1,188.75

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Solution

The fourth proportional to 1,716.36, 2,574.59 and 1,188.75 is: 1,783.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.36 : 2,574.59 = 1,188.75 : x
  2. Step 2: Convert to fraction form
    1,716.36/2,574.59 = 1,188.75/x
  3. Step 3: Cross multiply
    1,716.36x = 2,574.59 × 1,188.75
  4. Step 4: Simplify right side
    1,716.36x = 3,060,543.86
  5. Step 5: Solve for x
    x = 3,060,543.86/1,716.36
  6. Step 6: Final answer
    x = 1,783.16

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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.