Home / 3,513.51-5,269.86-1,431.41

Finding the Fourth Proportional to 3,513.51, 5,269.86 and 1,431.41

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Solution

The fourth proportional to 3,513.51, 5,269.86 and 1,431.41 is: 2,146.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.51 : 5,269.86 = 1,431.41 : x
  2. Step 2: Convert to fraction form
    3,513.51/5,269.86 = 1,431.41/x
  3. Step 3: Cross multiply
    3,513.51x = 5,269.86 × 1,431.41
  4. Step 4: Simplify right side
    3,513.51x = 7,543,303.95
  5. Step 5: Solve for x
    x = 7,543,303.95/3,513.51
  6. Step 6: Final answer
    x = 2,146.94

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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.