Home / 3,220.52-4,828.34-1,370.07

Finding the Fourth Proportional to 3,220.52, 4,828.34 and 1,370.07

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Solution

The fourth proportional to 3,220.52, 4,828.34 and 1,370.07 is: 2,054.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.52 : 4,828.34 = 1,370.07 : x
  2. Step 2: Convert to fraction form
    3,220.52/4,828.34 = 1,370.07/x
  3. Step 3: Cross multiply
    3,220.52x = 4,828.34 × 1,370.07
  4. Step 4: Simplify right side
    3,220.52x = 6,615,167.21
  5. Step 5: Solve for x
    x = 6,615,167.21/3,220.52
  6. Step 6: Final answer
    x = 2,054.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.