Home / 1,050.85-1,576.27-281.35

Finding the Fourth Proportional to 1,050.85, 1,576.27 and 281.35

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Solution

The fourth proportional to 1,050.85, 1,576.27 and 281.35 is: 422.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.85 : 1,576.27 = 281.35 : x
  2. Step 2: Convert to fraction form
    1,050.85/1,576.27 = 281.35/x
  3. Step 3: Cross multiply
    1,050.85x = 1,576.27 × 281.35
  4. Step 4: Simplify right side
    1,050.85x = 443,474.28
  5. Step 5: Solve for x
    x = 443,474.28/1,050.85
  6. Step 6: Final answer
    x = 422.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.