Home / 1,876.29-2,589.34-1,090.29

Finding the Fourth Proportional to 1,876.29, 2,589.34 and 1,090.29

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Solution

The fourth proportional to 1,876.29, 2,589.34 and 1,090.29 is: 1,504.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.29 : 2,589.34 = 1,090.29 : x
  2. Step 2: Convert to fraction form
    1,876.29/2,589.34 = 1,090.29/x
  3. Step 3: Cross multiply
    1,876.29x = 2,589.34 × 1,090.29
  4. Step 4: Simplify right side
    1,876.29x = 2,823,131.51
  5. Step 5: Solve for x
    x = 2,823,131.51/1,876.29
  6. Step 6: Final answer
    x = 1,504.63

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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.