Home / 1,716.70-2,370.72-1,186.94

Finding the Fourth Proportional to 1,716.70, 2,370.72 and 1,186.94

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Solution

The fourth proportional to 1,716.70, 2,370.72 and 1,186.94 is: 1,639.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.70 : 2,370.72 = 1,186.94 : x
  2. Step 2: Convert to fraction form
    1,716.70/2,370.72 = 1,186.94/x
  3. Step 3: Cross multiply
    1,716.70x = 2,370.72 × 1,186.94
  4. Step 4: Simplify right side
    1,716.70x = 2,813,902.40
  5. Step 5: Solve for x
    x = 2,813,902.40/1,716.70
  6. Step 6: Final answer
    x = 1,639.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.