Home / 3,275.88-4,520.70-1,783.80

Finding the Fourth Proportional to 3,275.88, 4,520.70 and 1,783.80

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Solution

The fourth proportional to 3,275.88, 4,520.70 and 1,783.80 is: 2,461.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.88 : 4,520.70 = 1,783.80 : x
  2. Step 2: Convert to fraction form
    3,275.88/4,520.70 = 1,783.80/x
  3. Step 3: Cross multiply
    3,275.88x = 4,520.70 × 1,783.80
  4. Step 4: Simplify right side
    3,275.88x = 8,064,024.66
  5. Step 5: Solve for x
    x = 8,064,024.66/3,275.88
  6. Step 6: Final answer
    x = 2,461.64

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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.