Home / 2,284.19-3,152.18-1,236.25

Finding the Fourth Proportional to 2,284.19, 3,152.18 and 1,236.25

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Solution

The fourth proportional to 2,284.19, 3,152.18 and 1,236.25 is: 1,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.19 : 3,152.18 = 1,236.25 : x
  2. Step 2: Convert to fraction form
    2,284.19/3,152.18 = 1,236.25/x
  3. Step 3: Cross multiply
    2,284.19x = 3,152.18 × 1,236.25
  4. Step 4: Simplify right side
    2,284.19x = 3,896,882.53
  5. Step 5: Solve for x
    x = 3,896,882.53/2,284.19
  6. Step 6: Final answer
    x = 1,706.02

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Half scale
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Double scale
Find fourth proportional to 2,285.19, 3,153.56 and 1,237.25
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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.