Home / 3,071.19-4,208.73-2,775.96

Finding the Fourth Proportional to 3,071.19, 4,208.73 and 2,775.96

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Solution

The fourth proportional to 3,071.19, 4,208.73 and 2,775.96 is: 3,804.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.19 : 4,208.73 = 2,775.96 : x
  2. Step 2: Convert to fraction form
    3,071.19/4,208.73 = 2,775.96/x
  3. Step 3: Cross multiply
    3,071.19x = 4,208.73 × 2,775.96
  4. Step 4: Simplify right side
    3,071.19x = 11,683,266.13
  5. Step 5: Solve for x
    x = 11,683,266.13/3,071.19
  6. Step 6: Final answer
    x = 3,804.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.