Home / 2,362.80-3,261.26-1,368.70

Finding the Fourth Proportional to 2,362.80, 3,261.26 and 1,368.70

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Solution

The fourth proportional to 2,362.80, 3,261.26 and 1,368.70 is: 1,889.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362.80 : 3,261.26 = 1,368.70 : x
  2. Step 2: Convert to fraction form
    2,362.80/3,261.26 = 1,368.70/x
  3. Step 3: Cross multiply
    2,362.80x = 3,261.26 × 1,368.70
  4. Step 4: Simplify right side
    2,362.80x = 4,463,686.56
  5. Step 5: Solve for x
    x = 4,463,686.56/2,362.80
  6. Step 6: Final answer
    x = 1,889.15

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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.