Home / 1,717.62-2,369.93-1,120.05

Finding the Fourth Proportional to 1,717.62, 2,369.93 and 1,120.05

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Solution

The fourth proportional to 1,717.62, 2,369.93 and 1,120.05 is: 1,545.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.62 : 2,369.93 = 1,120.05 : x
  2. Step 2: Convert to fraction form
    1,717.62/2,369.93 = 1,120.05/x
  3. Step 3: Cross multiply
    1,717.62x = 2,369.93 × 1,120.05
  4. Step 4: Simplify right side
    1,717.62x = 2,654,434.50
  5. Step 5: Solve for x
    x = 2,654,434.50/1,717.62
  6. Step 6: Final answer
    x = 1,545.41

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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.