Home / 2,750.48-3,795-1,555.49

Finding the Fourth Proportional to 2,750.48, 3,795 and 1,555.49

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Solution

The fourth proportional to 2,750.48, 3,795 and 1,555.49 is: 2,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.48 : 3,795 = 1,555.49 : x
  2. Step 2: Convert to fraction form
    2,750.48/3,795 = 1,555.49/x
  3. Step 3: Cross multiply
    2,750.48x = 3,795 × 1,555.49
  4. Step 4: Simplify right side
    2,750.48x = 5,903,079.81
  5. Step 5: Solve for x
    x = 5,903,079.81/2,750.48
  6. Step 6: Final answer
    x = 2,146.20

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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.