Home / 1,060.26-1,590.21-290.76

Finding the Fourth Proportional to 1,060.26, 1,590.21 and 290.76

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Solution

The fourth proportional to 1,060.26, 1,590.21 and 290.76 is: 436.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.26 : 1,590.21 = 290.76 : x
  2. Step 2: Convert to fraction form
    1,060.26/1,590.21 = 290.76/x
  3. Step 3: Cross multiply
    1,060.26x = 1,590.21 × 290.76
  4. Step 4: Simplify right side
    1,060.26x = 462,369.46
  5. Step 5: Solve for x
    x = 462,369.46/1,060.26
  6. Step 6: Final answer
    x = 436.09

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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.