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Finding the Fourth Proportional to 2,984.99, 4,477.41 and 2,894.76

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Solution

The fourth proportional to 2,984.99, 4,477.41 and 2,894.76 is: 4,342.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.99 : 4,477.41 = 2,894.76 : x
  2. Step 2: Convert to fraction form
    2,984.99/4,477.41 = 2,894.76/x
  3. Step 3: Cross multiply
    2,984.99x = 4,477.41 × 2,894.76
  4. Step 4: Simplify right side
    2,984.99x = 12,961,027.37
  5. Step 5: Solve for x
    x = 12,961,027.37/2,984.99
  6. Step 6: Final answer
    x = 4,342.07

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1.5x scale

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.