Home / 1,335.06-1,843.65-1,262.34

Finding the Fourth Proportional to 1,335.06, 1,843.65 and 1,262.34

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Solution

The fourth proportional to 1,335.06, 1,843.65 and 1,262.34 is: 1,743.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.06 : 1,843.65 = 1,262.34 : x
  2. Step 2: Convert to fraction form
    1,335.06/1,843.65 = 1,262.34/x
  3. Step 3: Cross multiply
    1,335.06x = 1,843.65 × 1,262.34
  4. Step 4: Simplify right side
    1,335.06x = 2,327,313.14
  5. Step 5: Solve for x
    x = 2,327,313.14/1,335.06
  6. Step 6: Final answer
    x = 1,743.23

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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.