Home / 2,192.95-3,021.15-1,528.63

Finding the Fourth Proportional to 2,192.95, 3,021.15 and 1,528.63

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Solution

The fourth proportional to 2,192.95, 3,021.15 and 1,528.63 is: 2,105.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.95 : 3,021.15 = 1,528.63 : x
  2. Step 2: Convert to fraction form
    2,192.95/3,021.15 = 1,528.63/x
  3. Step 3: Cross multiply
    2,192.95x = 3,021.15 × 1,528.63
  4. Step 4: Simplify right side
    2,192.95x = 4,618,220.52
  5. Step 5: Solve for x
    x = 4,618,220.52/2,192.95
  6. Step 6: Final answer
    x = 2,105.94

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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.