Home / 3,410.65-4,705.11-2,215.55

Finding the Fourth Proportional to 3,410.65, 4,705.11 and 2,215.55

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Solution

The fourth proportional to 3,410.65, 4,705.11 and 2,215.55 is: 3,056.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.65 : 4,705.11 = 2,215.55 : x
  2. Step 2: Convert to fraction form
    3,410.65/4,705.11 = 2,215.55/x
  3. Step 3: Cross multiply
    3,410.65x = 4,705.11 × 2,215.55
  4. Step 4: Simplify right side
    3,410.65x = 10,424,406.46
  5. Step 5: Solve for x
    x = 10,424,406.46/3,410.65
  6. Step 6: Final answer
    x = 3,056.43

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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.