Home / 2,219.84-3,063.58-1,335.50

Finding the Fourth Proportional to 2,219.84, 3,063.58 and 1,335.50

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Solution

The fourth proportional to 2,219.84, 3,063.58 and 1,335.50 is: 1,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.84 : 3,063.58 = 1,335.50 : x
  2. Step 2: Convert to fraction form
    2,219.84/3,063.58 = 1,335.50/x
  3. Step 3: Cross multiply
    2,219.84x = 3,063.58 × 1,335.50
  4. Step 4: Simplify right side
    2,219.84x = 4,091,411.09
  5. Step 5: Solve for x
    x = 4,091,411.09/2,219.84
  6. Step 6: Final answer
    x = 1,843.11

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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.