Home / 1,860.09-2,566.99-1,020.83

Finding the Fourth Proportional to 1,860.09, 2,566.99 and 1,020.83

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Solution

The fourth proportional to 1,860.09, 2,566.99 and 1,020.83 is: 1,408.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.09 : 2,566.99 = 1,020.83 : x
  2. Step 2: Convert to fraction form
    1,860.09/2,566.99 = 1,020.83/x
  3. Step 3: Cross multiply
    1,860.09x = 2,566.99 × 1,020.83
  4. Step 4: Simplify right side
    1,860.09x = 2,620,460.40
  5. Step 5: Solve for x
    x = 2,620,460.40/1,860.09
  6. Step 6: Final answer
    x = 1,408.78

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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.