Home / 2,673.44-3,688.80-1,966.40

Finding the Fourth Proportional to 2,673.44, 3,688.80 and 1,966.40

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Solution

The fourth proportional to 2,673.44, 3,688.80 and 1,966.40 is: 2,713.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.44 : 3,688.80 = 1,966.40 : x
  2. Step 2: Convert to fraction form
    2,673.44/3,688.80 = 1,966.40/x
  3. Step 3: Cross multiply
    2,673.44x = 3,688.80 × 1,966.40
  4. Step 4: Simplify right side
    2,673.44x = 7,253,656.32
  5. Step 5: Solve for x
    x = 7,253,656.32/2,673.44
  6. Step 6: Final answer
    x = 2,713.23

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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.