Home / 1,546.25-2,133.87-847.67

Finding the Fourth Proportional to 1,546.25, 2,133.87 and 847.67

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Solution

The fourth proportional to 1,546.25, 2,133.87 and 847.67 is: 1,169.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.25 : 2,133.87 = 847.67 : x
  2. Step 2: Convert to fraction form
    1,546.25/2,133.87 = 847.67/x
  3. Step 3: Cross multiply
    1,546.25x = 2,133.87 × 847.67
  4. Step 4: Simplify right side
    1,546.25x = 1,808,817.58
  5. Step 5: Solve for x
    x = 1,808,817.58/1,546.25
  6. Step 6: Final answer
    x = 1,169.81

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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.