Home / 3,419.37-4,718.07-2,074.68

Finding the Fourth Proportional to 3,419.37, 4,718.07 and 2,074.68

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Solution

The fourth proportional to 3,419.37, 4,718.07 and 2,074.68 is: 2,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.37 : 4,718.07 = 2,074.68 : x
  2. Step 2: Convert to fraction form
    3,419.37/4,718.07 = 2,074.68/x
  3. Step 3: Cross multiply
    3,419.37x = 4,718.07 × 2,074.68
  4. Step 4: Simplify right side
    3,419.37x = 9,788,485.47
  5. Step 5: Solve for x
    x = 9,788,485.47/3,419.37
  6. Step 6: Final answer
    x = 2,862.66

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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.