Home / 1,220.50-1,832.37-1,048.24

Finding the Fourth Proportional to 1,220.50, 1,832.37 and 1,048.24

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Solution

The fourth proportional to 1,220.50, 1,832.37 and 1,048.24 is: 1,573.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220.50 : 1,832.37 = 1,048.24 : x
  2. Step 2: Convert to fraction form
    1,220.50/1,832.37 = 1,048.24/x
  3. Step 3: Cross multiply
    1,220.50x = 1,832.37 × 1,048.24
  4. Step 4: Simplify right side
    1,220.50x = 1,920,763.53
  5. Step 5: Solve for x
    x = 1,920,763.53/1,220.50
  6. Step 6: Final answer
    x = 1,573.75

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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.