Home / 2,681.59-3,695.97-1,783.73

Finding the Fourth Proportional to 2,681.59, 3,695.97 and 1,783.73

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Solution

The fourth proportional to 2,681.59, 3,695.97 and 1,783.73 is: 2,458.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.59 : 3,695.97 = 1,783.73 : x
  2. Step 2: Convert to fraction form
    2,681.59/3,695.97 = 1,783.73/x
  3. Step 3: Cross multiply
    2,681.59x = 3,695.97 × 1,783.73
  4. Step 4: Simplify right side
    2,681.59x = 6,592,594.09
  5. Step 5: Solve for x
    x = 6,592,594.09/2,681.59
  6. Step 6: Final answer
    x = 2,458.46

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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.