Home / 2,090.51-2,884.79-1,146.12

Finding the Fourth Proportional to 2,090.51, 2,884.79 and 1,146.12

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Solution

The fourth proportional to 2,090.51, 2,884.79 and 1,146.12 is: 1,581.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.51 : 2,884.79 = 1,146.12 : x
  2. Step 2: Convert to fraction form
    2,090.51/2,884.79 = 1,146.12/x
  3. Step 3: Cross multiply
    2,090.51x = 2,884.79 × 1,146.12
  4. Step 4: Simplify right side
    2,090.51x = 3,306,302.57
  5. Step 5: Solve for x
    x = 3,306,302.57/2,090.51
  6. Step 6: Final answer
    x = 1,581.58

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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.