Home / 2,284.30-3,427.87-897.40

Finding the Fourth Proportional to 2,284.30, 3,427.87 and 897.40

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Solution

The fourth proportional to 2,284.30, 3,427.87 and 897.40 is: 1,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.30 : 3,427.87 = 897.40 : x
  2. Step 2: Convert to fraction form
    2,284.30/3,427.87 = 897.40/x
  3. Step 3: Cross multiply
    2,284.30x = 3,427.87 × 897.40
  4. Step 4: Simplify right side
    2,284.30x = 3,076,153.95
  5. Step 5: Solve for x
    x = 3,076,153.95/2,284.30
  6. Step 6: Final answer
    x = 1,346.65

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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.