Home / 3,406.68-4,701.25-1,914.56

Finding the Fourth Proportional to 3,406.68, 4,701.25 and 1,914.56

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Solution

The fourth proportional to 3,406.68, 4,701.25 and 1,914.56 is: 2,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.68 : 4,701.25 = 1,914.56 : x
  2. Step 2: Convert to fraction form
    3,406.68/4,701.25 = 1,914.56/x
  3. Step 3: Cross multiply
    3,406.68x = 4,701.25 × 1,914.56
  4. Step 4: Simplify right side
    3,406.68x = 9,000,825.20
  5. Step 5: Solve for x
    x = 9,000,825.20/3,406.68
  6. Step 6: Final answer
    x = 2,642.11

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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.