Home / 3,019.48-4,162.79-2,074.92

Finding the Fourth Proportional to 3,019.48, 4,162.79 and 2,074.92

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Solution

The fourth proportional to 3,019.48, 4,162.79 and 2,074.92 is: 2,860.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.48 : 4,162.79 = 2,074.92 : x
  2. Step 2: Convert to fraction form
    3,019.48/4,162.79 = 2,074.92/x
  3. Step 3: Cross multiply
    3,019.48x = 4,162.79 × 2,074.92
  4. Step 4: Simplify right side
    3,019.48x = 8,637,445.80
  5. Step 5: Solve for x
    x = 8,637,445.80/3,019.48
  6. Step 6: Final answer
    x = 2,860.58

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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.