Home / 3,520.02-4,859.89-2,261.63

Finding the Fourth Proportional to 3,520.02, 4,859.89 and 2,261.63

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Solution

The fourth proportional to 3,520.02, 4,859.89 and 2,261.63 is: 3,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.02 : 4,859.89 = 2,261.63 : x
  2. Step 2: Convert to fraction form
    3,520.02/4,859.89 = 2,261.63/x
  3. Step 3: Cross multiply
    3,520.02x = 4,859.89 × 2,261.63
  4. Step 4: Simplify right side
    3,520.02x = 10,991,243.07
  5. Step 5: Solve for x
    x = 10,991,243.07/3,520.02
  6. Step 6: Final answer
    x = 3,122.49

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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.