Home / 3,275.21-4,519.83-1,783.13

Finding the Fourth Proportional to 3,275.21, 4,519.83 and 1,783.13

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Solution

The fourth proportional to 3,275.21, 4,519.83 and 1,783.13 is: 2,460.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.21 : 4,519.83 = 1,783.13 : x
  2. Step 2: Convert to fraction form
    3,275.21/4,519.83 = 1,783.13/x
  3. Step 3: Cross multiply
    3,275.21x = 4,519.83 × 1,783.13
  4. Step 4: Simplify right side
    3,275.21x = 8,059,444.47
  5. Step 5: Solve for x
    x = 8,059,444.47/3,275.21
  6. Step 6: Final answer
    x = 2,460.74

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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.