Home / 2,913.09-4,366.59-1,269.20

Finding the Fourth Proportional to 2,913.09, 4,366.59 and 1,269.20

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Solution

The fourth proportional to 2,913.09, 4,366.59 and 1,269.20 is: 1,902.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.09 : 4,366.59 = 1,269.20 : x
  2. Step 2: Convert to fraction form
    2,913.09/4,366.59 = 1,269.20/x
  3. Step 3: Cross multiply
    2,913.09x = 4,366.59 × 1,269.20
  4. Step 4: Simplify right side
    2,913.09x = 5,542,054.20
  5. Step 5: Solve for x
    x = 5,542,054.20/2,913.09
  6. Step 6: Final answer
    x = 1,902.47

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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.