Home / 2,073.08-2,861.24-1,189.46

Finding the Fourth Proportional to 2,073.08, 2,861.24 and 1,189.46

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Solution

The fourth proportional to 2,073.08, 2,861.24 and 1,189.46 is: 1,641.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073.08 : 2,861.24 = 1,189.46 : x
  2. Step 2: Convert to fraction form
    2,073.08/2,861.24 = 1,189.46/x
  3. Step 3: Cross multiply
    2,073.08x = 2,861.24 × 1,189.46
  4. Step 4: Simplify right side
    2,073.08x = 3,403,310.28
  5. Step 5: Solve for x
    x = 3,403,310.28/2,073.08
  6. Step 6: Final answer
    x = 1,641.67

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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.