Home / 2,167.44-2,986.92-1,545.36

Finding the Fourth Proportional to 2,167.44, 2,986.92 and 1,545.36

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Solution

The fourth proportional to 2,167.44, 2,986.92 and 1,545.36 is: 2,129.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.44 : 2,986.92 = 1,545.36 : x
  2. Step 2: Convert to fraction form
    2,167.44/2,986.92 = 1,545.36/x
  3. Step 3: Cross multiply
    2,167.44x = 2,986.92 × 1,545.36
  4. Step 4: Simplify right side
    2,167.44x = 4,615,866.69
  5. Step 5: Solve for x
    x = 4,615,866.69/2,167.44
  6. Step 6: Final answer
    x = 2,129.64

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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.