Home / 2,727.67-4,087.59-1,555.25

Finding the Fourth Proportional to 2,727.67, 4,087.59 and 1,555.25

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Solution

The fourth proportional to 2,727.67, 4,087.59 and 1,555.25 is: 2,330.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.67 : 4,087.59 = 1,555.25 : x
  2. Step 2: Convert to fraction form
    2,727.67/4,087.59 = 1,555.25/x
  3. Step 3: Cross multiply
    2,727.67x = 4,087.59 × 1,555.25
  4. Step 4: Simplify right side
    2,727.67x = 6,357,224.35
  5. Step 5: Solve for x
    x = 6,357,224.35/2,727.67
  6. Step 6: Final answer
    x = 2,330.64

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1.5x scale

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.