Home / 3,485.52-4,813.63-2,680.43

Finding the Fourth Proportional to 3,485.52, 4,813.63 and 2,680.43

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Solution

The fourth proportional to 3,485.52, 4,813.63 and 2,680.43 is: 3,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.52 : 4,813.63 = 2,680.43 : x
  2. Step 2: Convert to fraction form
    3,485.52/4,813.63 = 2,680.43/x
  3. Step 3: Cross multiply
    3,485.52x = 4,813.63 × 2,680.43
  4. Step 4: Simplify right side
    3,485.52x = 12,902,567.49
  5. Step 5: Solve for x
    x = 12,902,567.49/3,485.52
  6. Step 6: Final answer
    x = 3,701.76

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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.