Home / 1,876.12-2,588.97-1,090.11

Finding the Fourth Proportional to 1,876.12, 2,588.97 and 1,090.11

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Solution

The fourth proportional to 1,876.12, 2,588.97 and 1,090.11 is: 1,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.12 : 2,588.97 = 1,090.11 : x
  2. Step 2: Convert to fraction form
    1,876.12/2,588.97 = 1,090.11/x
  3. Step 3: Cross multiply
    1,876.12x = 2,588.97 × 1,090.11
  4. Step 4: Simplify right side
    1,876.12x = 2,822,249.14
  5. Step 5: Solve for x
    x = 2,822,249.14/1,876.12
  6. Step 6: Final answer
    x = 1,504.30

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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.