Home / 2,345.44-3,236.64-1,283.22

Finding the Fourth Proportional to 2,345.44, 3,236.64 and 1,283.22

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Solution

The fourth proportional to 2,345.44, 3,236.64 and 1,283.22 is: 1,770.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.44 : 3,236.64 = 1,283.22 : x
  2. Step 2: Convert to fraction form
    2,345.44/3,236.64 = 1,283.22/x
  3. Step 3: Cross multiply
    2,345.44x = 3,236.64 × 1,283.22
  4. Step 4: Simplify right side
    2,345.44x = 4,153,321.18
  5. Step 5: Solve for x
    x = 4,153,321.18/2,345.44
  6. Step 6: Final answer
    x = 1,770.81

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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.