Home / 1,682.43-2,322.03-1,084.75

Finding the Fourth Proportional to 1,682.43, 2,322.03 and 1,084.75

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Solution

The fourth proportional to 1,682.43, 2,322.03 and 1,084.75 is: 1,497.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682.43 : 2,322.03 = 1,084.75 : x
  2. Step 2: Convert to fraction form
    1,682.43/2,322.03 = 1,084.75/x
  3. Step 3: Cross multiply
    1,682.43x = 2,322.03 × 1,084.75
  4. Step 4: Simplify right side
    1,682.43x = 2,518,822.04
  5. Step 5: Solve for x
    x = 2,518,822.04/1,682.43
  6. Step 6: Final answer
    x = 1,497.13

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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.