Home / 1,683.02-2,321.48-1,086.27

Finding the Fourth Proportional to 1,683.02, 2,321.48 and 1,086.27

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Solution

The fourth proportional to 1,683.02, 2,321.48 and 1,086.27 is: 1,498.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.02 : 2,321.48 = 1,086.27 : x
  2. Step 2: Convert to fraction form
    1,683.02/2,321.48 = 1,086.27/x
  3. Step 3: Cross multiply
    1,683.02x = 2,321.48 × 1,086.27
  4. Step 4: Simplify right side
    1,683.02x = 2,521,754.08
  5. Step 5: Solve for x
    x = 2,521,754.08/1,683.02
  6. Step 6: Final answer
    x = 1,498.36

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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.