Home / 1,924.13-2,653.54-1,284.95

Finding the Fourth Proportional to 1,924.13, 2,653.54 and 1,284.95

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Solution

The fourth proportional to 1,924.13, 2,653.54 and 1,284.95 is: 1,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.13 : 2,653.54 = 1,284.95 : x
  2. Step 2: Convert to fraction form
    1,924.13/2,653.54 = 1,284.95/x
  3. Step 3: Cross multiply
    1,924.13x = 2,653.54 × 1,284.95
  4. Step 4: Simplify right side
    1,924.13x = 3,409,669.64
  5. Step 5: Solve for x
    x = 3,409,669.64/1,924.13
  6. Step 6: Final answer
    x = 1,772.06

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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.