Home / 3,509.40-5,267.29-1,867.33

Finding the Fourth Proportional to 3,509.40, 5,267.29 and 1,867.33

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Solution

The fourth proportional to 3,509.40, 5,267.29 and 1,867.33 is: 2,802.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.40 : 5,267.29 = 1,867.33 : x
  2. Step 2: Convert to fraction form
    3,509.40/5,267.29 = 1,867.33/x
  3. Step 3: Cross multiply
    3,509.40x = 5,267.29 × 1,867.33
  4. Step 4: Simplify right side
    3,509.40x = 9,835,768.64
  5. Step 5: Solve for x
    x = 9,835,768.64/3,509.40
  6. Step 6: Final answer
    x = 2,802.69

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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.