Home / 2,219.64-3,063.82-1,433.08

Finding the Fourth Proportional to 2,219.64, 3,063.82 and 1,433.08

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Solution

The fourth proportional to 2,219.64, 3,063.82 and 1,433.08 is: 1,978.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.64 : 3,063.82 = 1,433.08 : x
  2. Step 2: Convert to fraction form
    2,219.64/3,063.82 = 1,433.08/x
  3. Step 3: Cross multiply
    2,219.64x = 3,063.82 × 1,433.08
  4. Step 4: Simplify right side
    2,219.64x = 4,390,699.17
  5. Step 5: Solve for x
    x = 4,390,699.17/2,219.64
  6. Step 6: Final answer
    x = 1,978.11

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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.