Home / 2,916.95-4,024.15-1,922.00

Finding the Fourth Proportional to 2,916.95, 4,024.15 and 1,922.00

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Solution

The fourth proportional to 2,916.95, 4,024.15 and 1,922.00 is: 2,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.95 : 4,024.15 = 1,922.00 : x
  2. Step 2: Convert to fraction form
    2,916.95/4,024.15 = 1,922.00/x
  3. Step 3: Cross multiply
    2,916.95x = 4,024.15 × 1,922.00
  4. Step 4: Simplify right side
    2,916.95x = 7,734,391.37
  5. Step 5: Solve for x
    x = 7,734,391.37/2,916.95
  6. Step 6: Final answer
    x = 2,651.54

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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.