Home / 2,999.08-4,139.58-1,950.76

Finding the Fourth Proportional to 2,999.08, 4,139.58 and 1,950.76

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Solution

The fourth proportional to 2,999.08, 4,139.58 and 1,950.76 is: 2,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.08 : 4,139.58 = 1,950.76 : x
  2. Step 2: Convert to fraction form
    2,999.08/4,139.58 = 1,950.76/x
  3. Step 3: Cross multiply
    2,999.08x = 4,139.58 × 1,950.76
  4. Step 4: Simplify right side
    2,999.08x = 8,075,327.08
  5. Step 5: Solve for x
    x = 8,075,327.08/2,999.08
  6. Step 6: Final answer
    x = 2,692.60

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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.