Home / 1,219.64-1,829.70-1,004.12

Finding the Fourth Proportional to 1,219.64, 1,829.70 and 1,004.12

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Solution

The fourth proportional to 1,219.64, 1,829.70 and 1,004.12 is: 1,506.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219.64 : 1,829.70 = 1,004.12 : x
  2. Step 2: Convert to fraction form
    1,219.64/1,829.70 = 1,004.12/x
  3. Step 3: Cross multiply
    1,219.64x = 1,829.70 × 1,004.12
  4. Step 4: Simplify right side
    1,219.64x = 1,837,238.36
  5. Step 5: Solve for x
    x = 1,837,238.36/1,219.64
  6. Step 6: Final answer
    x = 1,506.38

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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.