Home / 3,530.67-5,297.29-1,339.40

Finding the Fourth Proportional to 3,530.67, 5,297.29 and 1,339.40

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Solution

The fourth proportional to 3,530.67, 5,297.29 and 1,339.40 is: 2,009.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.67 : 5,297.29 = 1,339.40 : x
  2. Step 2: Convert to fraction form
    3,530.67/5,297.29 = 1,339.40/x
  3. Step 3: Cross multiply
    3,530.67x = 5,297.29 × 1,339.40
  4. Step 4: Simplify right side
    3,530.67x = 7,095,190.23
  5. Step 5: Solve for x
    x = 7,095,190.23/3,530.67
  6. Step 6: Final answer
    x = 2,009.59

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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.