Home / 2,050.80-2,830.31-1,166.68

Finding the Fourth Proportional to 2,050.80, 2,830.31 and 1,166.68

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Solution

The fourth proportional to 2,050.80, 2,830.31 and 1,166.68 is: 1,610.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.80 : 2,830.31 = 1,166.68 : x
  2. Step 2: Convert to fraction form
    2,050.80/2,830.31 = 1,166.68/x
  3. Step 3: Cross multiply
    2,050.80x = 2,830.31 × 1,166.68
  4. Step 4: Simplify right side
    2,050.80x = 3,302,066.07
  5. Step 5: Solve for x
    x = 3,302,066.07/2,050.80
  6. Step 6: Final answer
    x = 1,610.14

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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.