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Finding the Fourth Proportional to 1,733.81, 2,392.03 and 1,071.02

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Solution

The fourth proportional to 1,733.81, 2,392.03 and 1,071.02 is: 1,477.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733.81 : 2,392.03 = 1,071.02 : x
  2. Step 2: Convert to fraction form
    1,733.81/2,392.03 = 1,071.02/x
  3. Step 3: Cross multiply
    1,733.81x = 2,392.03 × 1,071.02
  4. Step 4: Simplify right side
    1,733.81x = 2,561,919.29
  5. Step 5: Solve for x
    x = 2,561,919.29/1,733.81
  6. Step 6: Final answer
    x = 1,477.63

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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.