Home / 2,851.34-4,277.02-1,119.02

Finding the Fourth Proportional to 2,851.34, 4,277.02 and 1,119.02

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Solution

The fourth proportional to 2,851.34, 4,277.02 and 1,119.02 is: 1,678.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.34 : 4,277.02 = 1,119.02 : x
  2. Step 2: Convert to fraction form
    2,851.34/4,277.02 = 1,119.02/x
  3. Step 3: Cross multiply
    2,851.34x = 4,277.02 × 1,119.02
  4. Step 4: Simplify right side
    2,851.34x = 4,786,070.92
  5. Step 5: Solve for x
    x = 4,786,070.92/2,851.34
  6. Step 6: Final answer
    x = 1,678.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.