Home / 1,665.44-2,301.36-1,443.68

Finding the Fourth Proportional to 1,665.44, 2,301.36 and 1,443.68

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Solution

The fourth proportional to 1,665.44, 2,301.36 and 1,443.68 is: 1,994.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665.44 : 2,301.36 = 1,443.68 : x
  2. Step 2: Convert to fraction form
    1,665.44/2,301.36 = 1,443.68/x
  3. Step 3: Cross multiply
    1,665.44x = 2,301.36 × 1,443.68
  4. Step 4: Simplify right side
    1,665.44x = 3,322,427.40
  5. Step 5: Solve for x
    x = 3,322,427.40/1,665.44
  6. Step 6: Final answer
    x = 1,994.92

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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.