Home / 3,261.89-4,501.77-1,864.64

Finding the Fourth Proportional to 3,261.89, 4,501.77 and 1,864.64

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Solution

The fourth proportional to 3,261.89, 4,501.77 and 1,864.64 is: 2,573.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.89 : 4,501.77 = 1,864.64 : x
  2. Step 2: Convert to fraction form
    3,261.89/4,501.77 = 1,864.64/x
  3. Step 3: Cross multiply
    3,261.89x = 4,501.77 × 1,864.64
  4. Step 4: Simplify right side
    3,261.89x = 8,394,180.41
  5. Step 5: Solve for x
    x = 8,394,180.41/3,261.89
  6. Step 6: Final answer
    x = 2,573.41

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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.