Home / 1,719.74-2,566.61-1,553.66

Finding the Fourth Proportional to 1,719.74, 2,566.61 and 1,553.66

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Solution

The fourth proportional to 1,719.74, 2,566.61 and 1,553.66 is: 2,318.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.74 : 2,566.61 = 1,553.66 : x
  2. Step 2: Convert to fraction form
    1,719.74/2,566.61 = 1,553.66/x
  3. Step 3: Cross multiply
    1,719.74x = 2,566.61 × 1,553.66
  4. Step 4: Simplify right side
    1,719.74x = 3,987,647.54
  5. Step 5: Solve for x
    x = 3,987,647.54/1,719.74
  6. Step 6: Final answer
    x = 2,318.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.