Home / 1,716.63-2,369.87-1,342.81

Finding the Fourth Proportional to 1,716.63, 2,369.87 and 1,342.81

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Solution

The fourth proportional to 1,716.63, 2,369.87 and 1,342.81 is: 1,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.63 : 2,369.87 = 1,342.81 : x
  2. Step 2: Convert to fraction form
    1,716.63/2,369.87 = 1,342.81/x
  3. Step 3: Cross multiply
    1,716.63x = 2,369.87 × 1,342.81
  4. Step 4: Simplify right side
    1,716.63x = 3,182,284.35
  5. Step 5: Solve for x
    x = 3,182,284.35/1,716.63
  6. Step 6: Final answer
    x = 1,853.80

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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.