Home / 2,219.38-3,063.10-1,335.18

Finding the Fourth Proportional to 2,219.38, 3,063.10 and 1,335.18

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Solution

The fourth proportional to 2,219.38, 3,063.10 and 1,335.18 is: 1,842.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.38 : 3,063.10 = 1,335.18 : x
  2. Step 2: Convert to fraction form
    2,219.38/3,063.10 = 1,335.18/x
  3. Step 3: Cross multiply
    2,219.38x = 3,063.10 × 1,335.18
  4. Step 4: Simplify right side
    2,219.38x = 4,089,800.51
  5. Step 5: Solve for x
    x = 4,089,800.51/2,219.38
  6. Step 6: Final answer
    x = 1,842.76

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1.5x scale

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.