Home / 3,410.36-4,706.40-2,215.64

Finding the Fourth Proportional to 3,410.36, 4,706.40 and 2,215.64

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Solution

The fourth proportional to 3,410.36, 4,706.40 and 2,215.64 is: 3,057.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.36 : 4,706.40 = 2,215.64 : x
  2. Step 2: Convert to fraction form
    3,410.36/4,706.40 = 2,215.64/x
  3. Step 3: Cross multiply
    3,410.36x = 4,706.40 × 2,215.64
  4. Step 4: Simplify right side
    3,410.36x = 10,427,688.10
  5. Step 5: Solve for x
    x = 10,427,688.10/3,410.36
  6. Step 6: Final answer
    x = 3,057.65

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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.