Home / 2,147.76-2,962.09-1,483.56

Finding the Fourth Proportional to 2,147.76, 2,962.09 and 1,483.56

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Solution

The fourth proportional to 2,147.76, 2,962.09 and 1,483.56 is: 2,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.76 : 2,962.09 = 1,483.56 : x
  2. Step 2: Convert to fraction form
    2,147.76/2,962.09 = 1,483.56/x
  3. Step 3: Cross multiply
    2,147.76x = 2,962.09 × 1,483.56
  4. Step 4: Simplify right side
    2,147.76x = 4,394,416.01
  5. Step 5: Solve for x
    x = 4,394,416.01/2,147.76
  6. Step 6: Final answer
    x = 2,046.05

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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.