Home / 3,037.09-4,191.96-1,977.50

Finding the Fourth Proportional to 3,037.09, 4,191.96 and 1,977.50

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Solution

The fourth proportional to 3,037.09, 4,191.96 and 1,977.50 is: 2,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.09 : 4,191.96 = 1,977.50 : x
  2. Step 2: Convert to fraction form
    3,037.09/4,191.96 = 1,977.50/x
  3. Step 3: Cross multiply
    3,037.09x = 4,191.96 × 1,977.50
  4. Step 4: Simplify right side
    3,037.09x = 8,289,600.90
  5. Step 5: Solve for x
    x = 8,289,600.90/3,037.09
  6. Step 6: Final answer
    x = 2,729.46

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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.