Home / 2,856.16-4,284.32-1,396.48

Finding the Fourth Proportional to 2,856.16, 4,284.32 and 1,396.48

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Solution

The fourth proportional to 2,856.16, 4,284.32 and 1,396.48 is: 2,094.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.16 : 4,284.32 = 1,396.48 : x
  2. Step 2: Convert to fraction form
    2,856.16/4,284.32 = 1,396.48/x
  3. Step 3: Cross multiply
    2,856.16x = 4,284.32 × 1,396.48
  4. Step 4: Simplify right side
    2,856.16x = 5,982,967.19
  5. Step 5: Solve for x
    x = 5,982,967.19/2,856.16
  6. Step 6: Final answer
    x = 2,094.76

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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.