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Finding the Fourth Proportional to 3,410.91, 4,709.34 and 2,574.99

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Solution

The fourth proportional to 3,410.91, 4,709.34 and 2,574.99 is: 3,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.91 : 4,709.34 = 2,574.99 : x
  2. Step 2: Convert to fraction form
    3,410.91/4,709.34 = 2,574.99/x
  3. Step 3: Cross multiply
    3,410.91x = 4,709.34 × 2,574.99
  4. Step 4: Simplify right side
    3,410.91x = 12,126,503.41
  5. Step 5: Solve for x
    x = 12,126,503.41/3,410.91
  6. Step 6: Final answer
    x = 3,555.21

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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.