Home / 2,289.92-3,159.74-1,295.03

Finding the Fourth Proportional to 2,289.92, 3,159.74 and 1,295.03

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Solution

The fourth proportional to 2,289.92, 3,159.74 and 1,295.03 is: 1,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.92 : 3,159.74 = 1,295.03 : x
  2. Step 2: Convert to fraction form
    2,289.92/3,159.74 = 1,295.03/x
  3. Step 3: Cross multiply
    2,289.92x = 3,159.74 × 1,295.03
  4. Step 4: Simplify right side
    2,289.92x = 4,091,969.23
  5. Step 5: Solve for x
    x = 4,091,969.23/2,289.92
  6. Step 6: Final answer
    x = 1,786.95

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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.