Home / 2,647.02-3,649.42-2,277.96

Finding the Fourth Proportional to 2,647.02, 3,649.42 and 2,277.96

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Solution

The fourth proportional to 2,647.02, 3,649.42 and 2,277.96 is: 3,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.02 : 3,649.42 = 2,277.96 : x
  2. Step 2: Convert to fraction form
    2,647.02/3,649.42 = 2,277.96/x
  3. Step 3: Cross multiply
    2,647.02x = 3,649.42 × 2,277.96
  4. Step 4: Simplify right side
    2,647.02x = 8,313,232.78
  5. Step 5: Solve for x
    x = 8,313,232.78/2,647.02
  6. Step 6: Final answer
    x = 3,140.60

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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.