Home / 3,407.10-5,111.04-1,216.05

Finding the Fourth Proportional to 3,407.10, 5,111.04 and 1,216.05

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Solution

The fourth proportional to 3,407.10, 5,111.04 and 1,216.05 is: 1,824.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.10 : 5,111.04 = 1,216.05 : x
  2. Step 2: Convert to fraction form
    3,407.10/5,111.04 = 1,216.05/x
  3. Step 3: Cross multiply
    3,407.10x = 5,111.04 × 1,216.05
  4. Step 4: Simplify right side
    3,407.10x = 6,215,280.19
  5. Step 5: Solve for x
    x = 6,215,280.19/3,407.10
  6. Step 6: Final answer
    x = 1,824.21

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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.