Home / 2,643.18-3,647.44-1,447.93

Finding the Fourth Proportional to 2,643.18, 3,647.44 and 1,447.93

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Solution

The fourth proportional to 2,643.18, 3,647.44 and 1,447.93 is: 1,998.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643.18 : 3,647.44 = 1,447.93 : x
  2. Step 2: Convert to fraction form
    2,643.18/3,647.44 = 1,447.93/x
  3. Step 3: Cross multiply
    2,643.18x = 3,647.44 × 1,447.93
  4. Step 4: Simplify right side
    2,643.18x = 5,281,238.74
  5. Step 5: Solve for x
    x = 5,281,238.74/2,643.18
  6. Step 6: Final answer
    x = 1,998.06

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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.