Home / 1,717.12-2,369.68-1,053.84

Finding the Fourth Proportional to 1,717.12, 2,369.68 and 1,053.84

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Solution

The fourth proportional to 1,717.12, 2,369.68 and 1,053.84 is: 1,454.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.12 : 2,369.68 = 1,053.84 : x
  2. Step 2: Convert to fraction form
    1,717.12/2,369.68 = 1,053.84/x
  3. Step 3: Cross multiply
    1,717.12x = 2,369.68 × 1,053.84
  4. Step 4: Simplify right side
    1,717.12x = 2,497,263.57
  5. Step 5: Solve for x
    x = 2,497,263.57/1,717.12
  6. Step 6: Final answer
    x = 1,454.33

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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.