Home / 3,419.10-4,718.26-1,926.99

Finding the Fourth Proportional to 3,419.10, 4,718.26 and 1,926.99

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Solution

The fourth proportional to 3,419.10, 4,718.26 and 1,926.99 is: 2,659.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.10 : 4,718.26 = 1,926.99 : x
  2. Step 2: Convert to fraction form
    3,419.10/4,718.26 = 1,926.99/x
  3. Step 3: Cross multiply
    3,419.10x = 4,718.26 × 1,926.99
  4. Step 4: Simplify right side
    3,419.10x = 9,092,039.84
  5. Step 5: Solve for x
    x = 9,092,039.84/3,419.10
  6. Step 6: Final answer
    x = 2,659.19

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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.