Home / 1,928.95-2,661.93-1,044.70

Finding the Fourth Proportional to 1,928.95, 2,661.93 and 1,044.70

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Solution

The fourth proportional to 1,928.95, 2,661.93 and 1,044.70 is: 1,441.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.95 : 2,661.93 = 1,044.70 : x
  2. Step 2: Convert to fraction form
    1,928.95/2,661.93 = 1,044.70/x
  3. Step 3: Cross multiply
    1,928.95x = 2,661.93 × 1,044.70
  4. Step 4: Simplify right side
    1,928.95x = 2,780,911.62
  5. Step 5: Solve for x
    x = 2,780,911.62/1,928.95
  6. Step 6: Final answer
    x = 1,441.67

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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.