Home / 3,037.87-4,191.78-1,711.32

Finding the Fourth Proportional to 3,037.87, 4,191.78 and 1,711.32

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Solution

The fourth proportional to 3,037.87, 4,191.78 and 1,711.32 is: 2,361.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.87 : 4,191.78 = 1,711.32 : x
  2. Step 2: Convert to fraction form
    3,037.87/4,191.78 = 1,711.32/x
  3. Step 3: Cross multiply
    3,037.87x = 4,191.78 × 1,711.32
  4. Step 4: Simplify right side
    3,037.87x = 7,173,476.95
  5. Step 5: Solve for x
    x = 7,173,476.95/3,037.87
  6. Step 6: Final answer
    x = 2,361.35

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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.