Home / 1,873.21-2,584.23-1,126.73

Finding the Fourth Proportional to 1,873.21, 2,584.23 and 1,126.73

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Solution

The fourth proportional to 1,873.21, 2,584.23 and 1,126.73 is: 1,554.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.21 : 2,584.23 = 1,126.73 : x
  2. Step 2: Convert to fraction form
    1,873.21/2,584.23 = 1,126.73/x
  3. Step 3: Cross multiply
    1,873.21x = 2,584.23 × 1,126.73
  4. Step 4: Simplify right side
    1,873.21x = 2,911,729.47
  5. Step 5: Solve for x
    x = 2,911,729.47/1,873.21
  6. Step 6: Final answer
    x = 1,554.41

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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.