Home / 4,045.90-5,581.14-2,784.73

Finding the Fourth Proportional to 4,045.90, 5,581.14 and 2,784.73

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Solution

The fourth proportional to 4,045.90, 5,581.14 and 2,784.73 is: 3,841.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.90 : 5,581.14 = 2,784.73 : x
  2. Step 2: Convert to fraction form
    4,045.90/5,581.14 = 2,784.73/x
  3. Step 3: Cross multiply
    4,045.90x = 5,581.14 × 2,784.73
  4. Step 4: Simplify right side
    4,045.90x = 15,541,967.99
  5. Step 5: Solve for x
    x = 15,541,967.99/4,045.90
  6. Step 6: Final answer
    x = 3,841.41

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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.