Home / 3,406.14-5,111.64-1,459.74

Finding the Fourth Proportional to 3,406.14, 5,111.64 and 1,459.74

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Solution

The fourth proportional to 3,406.14, 5,111.64 and 1,459.74 is: 2,190.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.14 : 5,111.64 = 1,459.74 : x
  2. Step 2: Convert to fraction form
    3,406.14/5,111.64 = 1,459.74/x
  3. Step 3: Cross multiply
    3,406.14x = 5,111.64 × 1,459.74
  4. Step 4: Simplify right side
    3,406.14x = 7,461,665.37
  5. Step 5: Solve for x
    x = 7,461,665.37/3,406.14
  6. Step 6: Final answer
    x = 2,190.65

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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.