Home / 1,821.87-2,514.06-1,035.90

Finding the Fourth Proportional to 1,821.87, 2,514.06 and 1,035.90

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Solution

The fourth proportional to 1,821.87, 2,514.06 and 1,035.90 is: 1,429.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821.87 : 2,514.06 = 1,035.90 : x
  2. Step 2: Convert to fraction form
    1,821.87/2,514.06 = 1,035.90/x
  3. Step 3: Cross multiply
    1,821.87x = 2,514.06 × 1,035.90
  4. Step 4: Simplify right side
    1,821.87x = 2,604,314.75
  5. Step 5: Solve for x
    x = 2,604,314.75/1,821.87
  6. Step 6: Final answer
    x = 1,429.47

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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.