Home / 1,871.44-2,583.69-1,663.86

Finding the Fourth Proportional to 1,871.44, 2,583.69 and 1,663.86

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Solution

The fourth proportional to 1,871.44, 2,583.69 and 1,663.86 is: 2,297.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.44 : 2,583.69 = 1,663.86 : x
  2. Step 2: Convert to fraction form
    1,871.44/2,583.69 = 1,663.86/x
  3. Step 3: Cross multiply
    1,871.44x = 2,583.69 × 1,663.86
  4. Step 4: Simplify right side
    1,871.44x = 4,298,898.44
  5. Step 5: Solve for x
    x = 4,298,898.44/1,871.44
  6. Step 6: Final answer
    x = 2,297.11

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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.