Home / 2,819.35-3,887.96-2,542.48

Finding the Fourth Proportional to 2,819.35, 3,887.96 and 2,542.48

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Solution

The fourth proportional to 2,819.35, 3,887.96 and 2,542.48 is: 3,506.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.35 : 3,887.96 = 2,542.48 : x
  2. Step 2: Convert to fraction form
    2,819.35/3,887.96 = 2,542.48/x
  3. Step 3: Cross multiply
    2,819.35x = 3,887.96 × 2,542.48
  4. Step 4: Simplify right side
    2,819.35x = 9,885,038.11
  5. Step 5: Solve for x
    x = 9,885,038.11/2,819.35
  6. Step 6: Final answer
    x = 3,506.14

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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.