Home / 1,876.28-2,589.66-1,090.28

Finding the Fourth Proportional to 1,876.28, 2,589.66 and 1,090.28

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Solution

The fourth proportional to 1,876.28, 2,589.66 and 1,090.28 is: 1,504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.28 : 2,589.66 = 1,090.28 : x
  2. Step 2: Convert to fraction form
    1,876.28/2,589.66 = 1,090.28/x
  3. Step 3: Cross multiply
    1,876.28x = 2,589.66 × 1,090.28
  4. Step 4: Simplify right side
    1,876.28x = 2,823,454.50
  5. Step 5: Solve for x
    x = 2,823,454.50/1,876.28
  6. Step 6: Final answer
    x = 1,504.82

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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.