Home / 2,256.53-3,384.81-1,269.18

Finding the Fourth Proportional to 2,256.53, 3,384.81 and 1,269.18

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Solution

The fourth proportional to 2,256.53, 3,384.81 and 1,269.18 is: 1,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.53 : 3,384.81 = 1,269.18 : x
  2. Step 2: Convert to fraction form
    2,256.53/3,384.81 = 1,269.18/x
  3. Step 3: Cross multiply
    2,256.53x = 3,384.81 × 1,269.18
  4. Step 4: Simplify right side
    2,256.53x = 4,295,933.16
  5. Step 5: Solve for x
    x = 4,295,933.16/2,256.53
  6. Step 6: Final answer
    x = 1,903.78

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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.