Home / 1,719.72-2,373.26-933.82

Finding the Fourth Proportional to 1,719.72, 2,373.26 and 933.82

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Solution

The fourth proportional to 1,719.72, 2,373.26 and 933.82 is: 1,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.72 : 2,373.26 = 933.82 : x
  2. Step 2: Convert to fraction form
    1,719.72/2,373.26 = 933.82/x
  3. Step 3: Cross multiply
    1,719.72x = 2,373.26 × 933.82
  4. Step 4: Simplify right side
    1,719.72x = 2,216,197.65
  5. Step 5: Solve for x
    x = 2,216,197.65/1,719.72
  6. Step 6: Final answer
    x = 1,288.70

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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.