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Finding the Fourth Proportional to 1,713.58, 2,366.07 and 1,339.90

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Solution

The fourth proportional to 1,713.58, 2,366.07 and 1,339.90 is: 1,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.58 : 2,366.07 = 1,339.90 : x
  2. Step 2: Convert to fraction form
    1,713.58/2,366.07 = 1,339.90/x
  3. Step 3: Cross multiply
    1,713.58x = 2,366.07 × 1,339.90
  4. Step 4: Simplify right side
    1,713.58x = 3,170,297.19
  5. Step 5: Solve for x
    x = 3,170,297.19/1,713.58
  6. Step 6: Final answer
    x = 1,850.10

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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.