Home / 2,835.65-3,911.63-1,716.90

Finding the Fourth Proportional to 2,835.65, 3,911.63 and 1,716.90

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Solution

The fourth proportional to 2,835.65, 3,911.63 and 1,716.90 is: 2,368.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.65 : 3,911.63 = 1,716.90 : x
  2. Step 2: Convert to fraction form
    2,835.65/3,911.63 = 1,716.90/x
  3. Step 3: Cross multiply
    2,835.65x = 3,911.63 × 1,716.90
  4. Step 4: Simplify right side
    2,835.65x = 6,715,868.96
  5. Step 5: Solve for x
    x = 6,715,868.96/2,835.65
  6. Step 6: Final answer
    x = 2,368.37

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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.