Home / 2,152.94-2,970.96-1,269.03

Finding the Fourth Proportional to 2,152.94, 2,970.96 and 1,269.03

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Solution

The fourth proportional to 2,152.94, 2,970.96 and 1,269.03 is: 1,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152.94 : 2,970.96 = 1,269.03 : x
  2. Step 2: Convert to fraction form
    2,152.94/2,970.96 = 1,269.03/x
  3. Step 3: Cross multiply
    2,152.94x = 2,970.96 × 1,269.03
  4. Step 4: Simplify right side
    2,152.94x = 3,770,235.68
  5. Step 5: Solve for x
    x = 3,770,235.68/2,152.94
  6. Step 6: Final answer
    x = 1,751.20

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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.