Home / 2,328.16-3,213.36-1,333.60

Finding the Fourth Proportional to 2,328.16, 3,213.36 and 1,333.60

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Solution

The fourth proportional to 2,328.16, 3,213.36 and 1,333.60 is: 1,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.16 : 3,213.36 = 1,333.60 : x
  2. Step 2: Convert to fraction form
    2,328.16/3,213.36 = 1,333.60/x
  3. Step 3: Cross multiply
    2,328.16x = 3,213.36 × 1,333.60
  4. Step 4: Simplify right side
    2,328.16x = 4,285,336.90
  5. Step 5: Solve for x
    x = 4,285,336.90/2,328.16
  6. Step 6: Final answer
    x = 1,840.65

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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.