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Finding the Fourth Proportional to 1,713.87, 2,365.22 and 1,006.20

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Solution

The fourth proportional to 1,713.87, 2,365.22 and 1,006.20 is: 1,388.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.87 : 2,365.22 = 1,006.20 : x
  2. Step 2: Convert to fraction form
    1,713.87/2,365.22 = 1,006.20/x
  3. Step 3: Cross multiply
    1,713.87x = 2,365.22 × 1,006.20
  4. Step 4: Simplify right side
    1,713.87x = 2,379,879.33
  5. Step 5: Solve for x
    x = 2,379,879.33/1,713.87
  6. Step 6: Final answer
    x = 1,388.60

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1.5x scale

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.