Home / 1,412.16-1,945.80-1,324.68

Finding the Fourth Proportional to 1,412.16, 1,945.80 and 1,324.68

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Solution

The fourth proportional to 1,412.16, 1,945.80 and 1,324.68 is: 1,825.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412.16 : 1,945.80 = 1,324.68 : x
  2. Step 2: Convert to fraction form
    1,412.16/1,945.80 = 1,324.68/x
  3. Step 3: Cross multiply
    1,412.16x = 1,945.80 × 1,324.68
  4. Step 4: Simplify right side
    1,412.16x = 2,577,562.34
  5. Step 5: Solve for x
    x = 2,577,562.34/1,412.16
  6. Step 6: Final answer
    x = 1,825.26

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1.5x scale

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.