Home / 2,090.07-2,884.43-1,205.93

Finding the Fourth Proportional to 2,090.07, 2,884.43 and 1,205.93

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Solution

The fourth proportional to 2,090.07, 2,884.43 and 1,205.93 is: 1,664.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.07 : 2,884.43 = 1,205.93 : x
  2. Step 2: Convert to fraction form
    2,090.07/2,884.43 = 1,205.93/x
  3. Step 3: Cross multiply
    2,090.07x = 2,884.43 × 1,205.93
  4. Step 4: Simplify right side
    2,090.07x = 3,478,430.90
  5. Step 5: Solve for x
    x = 3,478,430.90/2,090.07
  6. Step 6: Final answer
    x = 1,664.27

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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.