Home / 1,876.19-2,589.30-1,090.35

Finding the Fourth Proportional to 1,876.19, 2,589.30 and 1,090.35

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Solution

The fourth proportional to 1,876.19, 2,589.30 and 1,090.35 is: 1,504.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.19 : 2,589.30 = 1,090.35 : x
  2. Step 2: Convert to fraction form
    1,876.19/2,589.30 = 1,090.35/x
  3. Step 3: Cross multiply
    1,876.19x = 2,589.30 × 1,090.35
  4. Step 4: Simplify right side
    1,876.19x = 2,823,243.26
  5. Step 5: Solve for x
    x = 2,823,243.26/1,876.19
  6. Step 6: Final answer
    x = 1,504.78

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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.