Home / 3,313.95-4,969.31-1,927.77

Finding the Fourth Proportional to 3,313.95, 4,969.31 and 1,927.77

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Solution

The fourth proportional to 3,313.95, 4,969.31 and 1,927.77 is: 2,890.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.95 : 4,969.31 = 1,927.77 : x
  2. Step 2: Convert to fraction form
    3,313.95/4,969.31 = 1,927.77/x
  3. Step 3: Cross multiply
    3,313.95x = 4,969.31 × 1,927.77
  4. Step 4: Simplify right side
    3,313.95x = 9,579,677.10
  5. Step 5: Solve for x
    x = 9,579,677.10/3,313.95
  6. Step 6: Final answer
    x = 2,890.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.