Home / 2,219.35-3,062.64-1,335

Finding the Fourth Proportional to 2,219.35, 3,062.64 and 1,335

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Solution

The fourth proportional to 2,219.35, 3,062.64 and 1,335 is: 1,842.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.35 : 3,062.64 = 1,335 : x
  2. Step 2: Convert to fraction form
    2,219.35/3,062.64 = 1,335/x
  3. Step 3: Cross multiply
    2,219.35x = 3,062.64 × 1,335
  4. Step 4: Simplify right side
    2,219.35x = 4,088,624.40
  5. Step 5: Solve for x
    x = 4,088,624.40/2,219.35
  6. Step 6: Final answer
    x = 1,842.26

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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.