Home / 2,673.68-4,011.19-2,158.36

Finding the Fourth Proportional to 2,673.68, 4,011.19 and 2,158.36

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Solution

The fourth proportional to 2,673.68, 4,011.19 and 2,158.36 is: 3,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.68 : 4,011.19 = 2,158.36 : x
  2. Step 2: Convert to fraction form
    2,673.68/4,011.19 = 2,158.36/x
  3. Step 3: Cross multiply
    2,673.68x = 4,011.19 × 2,158.36
  4. Step 4: Simplify right side
    2,673.68x = 8,657,576.62
  5. Step 5: Solve for x
    x = 8,657,576.62/2,673.68
  6. Step 6: Final answer
    x = 3,238.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.