Home / 1,975.54-2,727.62-1,269.18

Finding the Fourth Proportional to 1,975.54, 2,727.62 and 1,269.18

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Solution

The fourth proportional to 1,975.54, 2,727.62 and 1,269.18 is: 1,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.54 : 2,727.62 = 1,269.18 : x
  2. Step 2: Convert to fraction form
    1,975.54/2,727.62 = 1,269.18/x
  3. Step 3: Cross multiply
    1,975.54x = 2,727.62 × 1,269.18
  4. Step 4: Simplify right side
    1,975.54x = 3,461,840.75
  5. Step 5: Solve for x
    x = 3,461,840.75/1,975.54
  6. Step 6: Final answer
    x = 1,752.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.