Home / 2,868.47-3,958.18-1,673.13

Finding the Fourth Proportional to 2,868.47, 3,958.18 and 1,673.13

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Solution

The fourth proportional to 2,868.47, 3,958.18 and 1,673.13 is: 2,308.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.47 : 3,958.18 = 1,673.13 : x
  2. Step 2: Convert to fraction form
    2,868.47/3,958.18 = 1,673.13/x
  3. Step 3: Cross multiply
    2,868.47x = 3,958.18 × 1,673.13
  4. Step 4: Simplify right side
    2,868.47x = 6,622,560.36
  5. Step 5: Solve for x
    x = 6,622,560.36/2,868.47
  6. Step 6: Final answer
    x = 2,308.74

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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.