Home / 3,530.40-5,294.82-1,339.08

Finding the Fourth Proportional to 3,530.40, 5,294.82 and 1,339.08

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Solution

The fourth proportional to 3,530.40, 5,294.82 and 1,339.08 is: 2,008.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.40 : 5,294.82 = 1,339.08 : x
  2. Step 2: Convert to fraction form
    3,530.40/5,294.82 = 1,339.08/x
  3. Step 3: Cross multiply
    3,530.40x = 5,294.82 × 1,339.08
  4. Step 4: Simplify right side
    3,530.40x = 7,090,187.57
  5. Step 5: Solve for x
    x = 7,090,187.57/3,530.40
  6. Step 6: Final answer
    x = 2,008.32

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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.