Home / 2,992.18-4,128.36-1,733.24

Finding the Fourth Proportional to 2,992.18, 4,128.36 and 1,733.24

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Solution

The fourth proportional to 2,992.18, 4,128.36 and 1,733.24 is: 2,391.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.18 : 4,128.36 = 1,733.24 : x
  2. Step 2: Convert to fraction form
    2,992.18/4,128.36 = 1,733.24/x
  3. Step 3: Cross multiply
    2,992.18x = 4,128.36 × 1,733.24
  4. Step 4: Simplify right side
    2,992.18x = 7,155,438.69
  5. Step 5: Solve for x
    x = 7,155,438.69/2,992.18
  6. Step 6: Final answer
    x = 2,391.38

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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.