Home / 2,945.76-4,069.08-2,064.48

Finding the Fourth Proportional to 2,945.76, 4,069.08 and 2,064.48

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Solution

The fourth proportional to 2,945.76, 4,069.08 and 2,064.48 is: 2,851.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.76 : 4,069.08 = 2,064.48 : x
  2. Step 2: Convert to fraction form
    2,945.76/4,069.08 = 2,064.48/x
  3. Step 3: Cross multiply
    2,945.76x = 4,069.08 × 2,064.48
  4. Step 4: Simplify right side
    2,945.76x = 8,400,534.28
  5. Step 5: Solve for x
    x = 8,400,534.28/2,945.76
  6. Step 6: Final answer
    x = 2,851.74

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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.