Home / 2,076.56-2,865.80-1,330.48

Finding the Fourth Proportional to 2,076.56, 2,865.80 and 1,330.48

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Solution

The fourth proportional to 2,076.56, 2,865.80 and 1,330.48 is: 1,836.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.56 : 2,865.80 = 1,330.48 : x
  2. Step 2: Convert to fraction form
    2,076.56/2,865.80 = 1,330.48/x
  3. Step 3: Cross multiply
    2,076.56x = 2,865.80 × 1,330.48
  4. Step 4: Simplify right side
    2,076.56x = 3,812,889.58
  5. Step 5: Solve for x
    x = 3,812,889.58/2,076.56
  6. Step 6: Final answer
    x = 1,836.16

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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.