Home / 2,015.65-3,023.61-716.77

Finding the Fourth Proportional to 2,015.65, 3,023.61 and 716.77

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Solution

The fourth proportional to 2,015.65, 3,023.61 and 716.77 is: 1,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.65 : 3,023.61 = 716.77 : x
  2. Step 2: Convert to fraction form
    2,015.65/3,023.61 = 716.77/x
  3. Step 3: Cross multiply
    2,015.65x = 3,023.61 × 716.77
  4. Step 4: Simplify right side
    2,015.65x = 2,167,232.94
  5. Step 5: Solve for x
    x = 2,167,232.94/2,015.65
  6. Step 6: Final answer
    x = 1,075.20

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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.