Home / 3,275.80-4,520.56-1,783.70

Finding the Fourth Proportional to 3,275.80, 4,520.56 and 1,783.70

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Solution

The fourth proportional to 3,275.80, 4,520.56 and 1,783.70 is: 2,461.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.80 : 4,520.56 = 1,783.70 : x
  2. Step 2: Convert to fraction form
    3,275.80/4,520.56 = 1,783.70/x
  3. Step 3: Cross multiply
    3,275.80x = 4,520.56 × 1,783.70
  4. Step 4: Simplify right side
    3,275.80x = 8,063,322.87
  5. Step 5: Solve for x
    x = 8,063,322.87/3,275.80
  6. Step 6: Final answer
    x = 2,461.48

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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.