Home / 1,329.40-1,832.66-1,048.50

Finding the Fourth Proportional to 1,329.40, 1,832.66 and 1,048.50

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Solution

The fourth proportional to 1,329.40, 1,832.66 and 1,048.50 is: 1,445.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329.40 : 1,832.66 = 1,048.50 : x
  2. Step 2: Convert to fraction form
    1,329.40/1,832.66 = 1,048.50/x
  3. Step 3: Cross multiply
    1,329.40x = 1,832.66 × 1,048.50
  4. Step 4: Simplify right side
    1,329.40x = 1,921,544.01
  5. Step 5: Solve for x
    x = 1,921,544.01/1,329.40
  6. Step 6: Final answer
    x = 1,445.42

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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.