Home / 2,152.00-3,222.80-1,224.74

Finding the Fourth Proportional to 2,152.00, 3,222.80 and 1,224.74

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Solution

The fourth proportional to 2,152.00, 3,222.80 and 1,224.74 is: 1,834.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152.00 : 3,222.80 = 1,224.74 : x
  2. Step 2: Convert to fraction form
    2,152.00/3,222.80 = 1,224.74/x
  3. Step 3: Cross multiply
    2,152.00x = 3,222.80 × 1,224.74
  4. Step 4: Simplify right side
    2,152.00x = 3,947,103.19
  5. Step 5: Solve for x
    x = 3,947,103.19/2,152.00
  6. Step 6: Final answer
    x = 1,834.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.