Home / 2,051.21-2,830.42-1,154.84

Finding the Fourth Proportional to 2,051.21, 2,830.42 and 1,154.84

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Solution

The fourth proportional to 2,051.21, 2,830.42 and 1,154.84 is: 1,593.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.21 : 2,830.42 = 1,154.84 : x
  2. Step 2: Convert to fraction form
    2,051.21/2,830.42 = 1,154.84/x
  3. Step 3: Cross multiply
    2,051.21x = 2,830.42 × 1,154.84
  4. Step 4: Simplify right side
    2,051.21x = 3,268,682.23
  5. Step 5: Solve for x
    x = 3,268,682.23/2,051.21
  6. Step 6: Final answer
    x = 1,593.54

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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.