Home / 1,324.10-1,986.15-350.19

Finding the Fourth Proportional to 1,324.10, 1,986.15 and 350.19

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Solution

The fourth proportional to 1,324.10, 1,986.15 and 350.19 is: 525.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.10 : 1,986.15 = 350.19 : x
  2. Step 2: Convert to fraction form
    1,324.10/1,986.15 = 350.19/x
  3. Step 3: Cross multiply
    1,324.10x = 1,986.15 × 350.19
  4. Step 4: Simplify right side
    1,324.10x = 695,529.87
  5. Step 5: Solve for x
    x = 695,529.87/1,324.10
  6. Step 6: Final answer
    x = 525.29

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1.5x scale

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.