Home / 3,395.39-5,091.53-1,316.39

Finding the Fourth Proportional to 3,395.39, 5,091.53 and 1,316.39

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Solution

The fourth proportional to 3,395.39, 5,091.53 and 1,316.39 is: 1,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.39 : 5,091.53 = 1,316.39 : x
  2. Step 2: Convert to fraction form
    3,395.39/5,091.53 = 1,316.39/x
  3. Step 3: Cross multiply
    3,395.39x = 5,091.53 × 1,316.39
  4. Step 4: Simplify right side
    3,395.39x = 6,702,407.14
  5. Step 5: Solve for x
    x = 6,702,407.14/3,395.39
  6. Step 6: Final answer
    x = 1,973.98

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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.