Home / 3,164.82-4,365.45-1,970.48

Finding the Fourth Proportional to 3,164.82, 4,365.45 and 1,970.48

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Solution

The fourth proportional to 3,164.82, 4,365.45 and 1,970.48 is: 2,718.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.82 : 4,365.45 = 1,970.48 : x
  2. Step 2: Convert to fraction form
    3,164.82/4,365.45 = 1,970.48/x
  3. Step 3: Cross multiply
    3,164.82x = 4,365.45 × 1,970.48
  4. Step 4: Simplify right side
    3,164.82x = 8,602,010.09
  5. Step 5: Solve for x
    x = 8,602,010.09/3,164.82
  6. Step 6: Final answer
    x = 2,718.01

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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.