Home / 2,945.74-4,064.78-1,750.30

Finding the Fourth Proportional to 2,945.74, 4,064.78 and 1,750.30

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Solution

The fourth proportional to 2,945.74, 4,064.78 and 1,750.30 is: 2,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.74 : 4,064.78 = 1,750.30 : x
  2. Step 2: Convert to fraction form
    2,945.74/4,064.78 = 1,750.30/x
  3. Step 3: Cross multiply
    2,945.74x = 4,064.78 × 1,750.30
  4. Step 4: Simplify right side
    2,945.74x = 7,114,584.43
  5. Step 5: Solve for x
    x = 7,114,584.43/2,945.74
  6. Step 6: Final answer
    x = 2,415.21

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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.