Home / 3,509.26-5,262.34-1,316.45

Finding the Fourth Proportional to 3,509.26, 5,262.34 and 1,316.45

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Solution

The fourth proportional to 3,509.26, 5,262.34 and 1,316.45 is: 1,974.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.26 : 5,262.34 = 1,316.45 : x
  2. Step 2: Convert to fraction form
    3,509.26/5,262.34 = 1,316.45/x
  3. Step 3: Cross multiply
    3,509.26x = 5,262.34 × 1,316.45
  4. Step 4: Simplify right side
    3,509.26x = 6,927,600.91
  5. Step 5: Solve for x
    x = 6,927,600.91/3,509.26
  6. Step 6: Final answer
    x = 1,974.09

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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.