Home / 2,219.55-3,328.26-1,048.57

Finding the Fourth Proportional to 2,219.55, 3,328.26 and 1,048.57

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Solution

The fourth proportional to 2,219.55, 3,328.26 and 1,048.57 is: 1,572.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.55 : 3,328.26 = 1,048.57 : x
  2. Step 2: Convert to fraction form
    2,219.55/3,328.26 = 1,048.57/x
  3. Step 3: Cross multiply
    2,219.55x = 3,328.26 × 1,048.57
  4. Step 4: Simplify right side
    2,219.55x = 3,489,920.06
  5. Step 5: Solve for x
    x = 3,489,920.06/2,219.55
  6. Step 6: Final answer
    x = 1,572.36

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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.