Home / 2,126.28-3,190.08-894.24

Finding the Fourth Proportional to 2,126.28, 3,190.08 and 894.24

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Solution

The fourth proportional to 2,126.28, 3,190.08 and 894.24 is: 1,341.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.28 : 3,190.08 = 894.24 : x
  2. Step 2: Convert to fraction form
    2,126.28/3,190.08 = 894.24/x
  3. Step 3: Cross multiply
    2,126.28x = 3,190.08 × 894.24
  4. Step 4: Simplify right side
    2,126.28x = 2,852,697.14
  5. Step 5: Solve for x
    x = 2,852,697.14/2,126.28
  6. Step 6: Final answer
    x = 1,341.64

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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.