Home / 3,410.41-4,707.58-2,515.21

Finding the Fourth Proportional to 3,410.41, 4,707.58 and 2,515.21

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Solution

The fourth proportional to 3,410.41, 4,707.58 and 2,515.21 is: 3,471.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.41 : 4,707.58 = 2,515.21 : x
  2. Step 2: Convert to fraction form
    3,410.41/4,707.58 = 2,515.21/x
  3. Step 3: Cross multiply
    3,410.41x = 4,707.58 × 2,515.21
  4. Step 4: Simplify right side
    3,410.41x = 11,840,552.29
  5. Step 5: Solve for x
    x = 11,840,552.29/3,410.41
  6. Step 6: Final answer
    x = 3,471.89

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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.