Home / 1,060.26-1,590.20-280.27

Finding the Fourth Proportional to 1,060.26, 1,590.20 and 280.27

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Solution

The fourth proportional to 1,060.26, 1,590.20 and 280.27 is: 420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.26 : 1,590.20 = 280.27 : x
  2. Step 2: Convert to fraction form
    1,060.26/1,590.20 = 280.27/x
  3. Step 3: Cross multiply
    1,060.26x = 1,590.20 × 280.27
  4. Step 4: Simplify right side
    1,060.26x = 445,678.10
  5. Step 5: Solve for x
    x = 445,678.10/1,060.26
  6. Step 6: Final answer
    x = 420.35

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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.