Home / 2,945.56-4,415.88-1,384.81

Finding the Fourth Proportional to 2,945.56, 4,415.88 and 1,384.81

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Solution

The fourth proportional to 2,945.56, 4,415.88 and 1,384.81 is: 2,076.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.56 : 4,415.88 = 1,384.81 : x
  2. Step 2: Convert to fraction form
    2,945.56/4,415.88 = 1,384.81/x
  3. Step 3: Cross multiply
    2,945.56x = 4,415.88 × 1,384.81
  4. Step 4: Simplify right side
    2,945.56x = 6,115,154.78
  5. Step 5: Solve for x
    x = 6,115,154.78/2,945.56
  6. Step 6: Final answer
    x = 2,076.06

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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.