Home / 2,162.19-2,984.58-1,323.48

Finding the Fourth Proportional to 2,162.19, 2,984.58 and 1,323.48

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Solution

The fourth proportional to 2,162.19, 2,984.58 and 1,323.48 is: 1,826.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.19 : 2,984.58 = 1,323.48 : x
  2. Step 2: Convert to fraction form
    2,162.19/2,984.58 = 1,323.48/x
  3. Step 3: Cross multiply
    2,162.19x = 2,984.58 × 1,323.48
  4. Step 4: Simplify right side
    2,162.19x = 3,950,031.94
  5. Step 5: Solve for x
    x = 3,950,031.94/2,162.19
  6. Step 6: Final answer
    x = 1,826.87

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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.