Home / 1,004.20-1,502.34-848.38

Finding the Fourth Proportional to 1,004.20, 1,502.34 and 848.38

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Solution

The fourth proportional to 1,004.20, 1,502.34 and 848.38 is: 1,269.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004.20 : 1,502.34 = 848.38 : x
  2. Step 2: Convert to fraction form
    1,004.20/1,502.34 = 848.38/x
  3. Step 3: Cross multiply
    1,004.20x = 1,502.34 × 848.38
  4. Step 4: Simplify right side
    1,004.20x = 1,274,555.21
  5. Step 5: Solve for x
    x = 1,274,555.21/1,004.20
  6. Step 6: Final answer
    x = 1,269.22

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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.