Home / 2,059.12-2,841.48-1,127.44

Finding the Fourth Proportional to 2,059.12, 2,841.48 and 1,127.44

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Solution

The fourth proportional to 2,059.12, 2,841.48 and 1,127.44 is: 1,555.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.12 : 2,841.48 = 1,127.44 : x
  2. Step 2: Convert to fraction form
    2,059.12/2,841.48 = 1,127.44/x
  3. Step 3: Cross multiply
    2,059.12x = 2,841.48 × 1,127.44
  4. Step 4: Simplify right side
    2,059.12x = 3,203,598.21
  5. Step 5: Solve for x
    x = 3,203,598.21/2,059.12
  6. Step 6: Final answer
    x = 1,555.81

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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.