Home / 1,850.36-2,774.61-1,029.20

Finding the Fourth Proportional to 1,850.36, 2,774.61 and 1,029.20

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Solution

The fourth proportional to 1,850.36, 2,774.61 and 1,029.20 is: 1,543.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.36 : 2,774.61 = 1,029.20 : x
  2. Step 2: Convert to fraction form
    1,850.36/2,774.61 = 1,029.20/x
  3. Step 3: Cross multiply
    1,850.36x = 2,774.61 × 1,029.20
  4. Step 4: Simplify right side
    1,850.36x = 2,855,628.61
  5. Step 5: Solve for x
    x = 2,855,628.61/1,850.36
  6. Step 6: Final answer
    x = 1,543.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.