Home / 3,382.32-4,666.90-1,889.90

Finding the Fourth Proportional to 3,382.32, 4,666.90 and 1,889.90

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Solution

The fourth proportional to 3,382.32, 4,666.90 and 1,889.90 is: 2,607.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.32 : 4,666.90 = 1,889.90 : x
  2. Step 2: Convert to fraction form
    3,382.32/4,666.90 = 1,889.90/x
  3. Step 3: Cross multiply
    3,382.32x = 4,666.90 × 1,889.90
  4. Step 4: Simplify right side
    3,382.32x = 8,819,974.31
  5. Step 5: Solve for x
    x = 8,819,974.31/3,382.32
  6. Step 6: Final answer
    x = 2,607.67

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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.