Home / 3,438.56-5,127.60-3,407.36

Finding the Fourth Proportional to 3,438.56, 5,127.60 and 3,407.36

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Solution

The fourth proportional to 3,438.56, 5,127.60 and 3,407.36 is: 5,081.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.56 : 5,127.60 = 3,407.36 : x
  2. Step 2: Convert to fraction form
    3,438.56/5,127.60 = 3,407.36/x
  3. Step 3: Cross multiply
    3,438.56x = 5,127.60 × 3,407.36
  4. Step 4: Simplify right side
    3,438.56x = 17,471,579.14
  5. Step 5: Solve for x
    x = 17,471,579.14/3,438.56
  6. Step 6: Final answer
    x = 5,081.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.