Home / 1,573.17-2,171.57-1,181.33

Finding the Fourth Proportional to 1,573.17, 2,171.57 and 1,181.33

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Solution

The fourth proportional to 1,573.17, 2,171.57 and 1,181.33 is: 1,630.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.17 : 2,171.57 = 1,181.33 : x
  2. Step 2: Convert to fraction form
    1,573.17/2,171.57 = 1,181.33/x
  3. Step 3: Cross multiply
    1,573.17x = 2,171.57 × 1,181.33
  4. Step 4: Simplify right side
    1,573.17x = 2,565,324.02
  5. Step 5: Solve for x
    x = 2,565,324.02/1,573.17
  6. Step 6: Final answer
    x = 1,630.67

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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.