Home / 2,090.35-2,884.68-1,158.85

Finding the Fourth Proportional to 2,090.35, 2,884.68 and 1,158.85

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Solution

The fourth proportional to 2,090.35, 2,884.68 and 1,158.85 is: 1,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.35 : 2,884.68 = 1,158.85 : x
  2. Step 2: Convert to fraction form
    2,090.35/2,884.68 = 1,158.85/x
  3. Step 3: Cross multiply
    2,090.35x = 2,884.68 × 1,158.85
  4. Step 4: Simplify right side
    2,090.35x = 3,342,896.99
  5. Step 5: Solve for x
    x = 3,342,896.99/2,090.35
  6. Step 6: Final answer
    x = 1,599.21

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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.