Home / 3,501.39-5,252.19-1,309.71

Finding the Fourth Proportional to 3,501.39, 5,252.19 and 1,309.71

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Solution

The fourth proportional to 3,501.39, 5,252.19 and 1,309.71 is: 1,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.39 : 5,252.19 = 1,309.71 : x
  2. Step 2: Convert to fraction form
    3,501.39/5,252.19 = 1,309.71/x
  3. Step 3: Cross multiply
    3,501.39x = 5,252.19 × 1,309.71
  4. Step 4: Simplify right side
    3,501.39x = 6,878,845.76
  5. Step 5: Solve for x
    x = 6,878,845.76/3,501.39
  6. Step 6: Final answer
    x = 1,964.60

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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.