Home / 3,329.86-4,994.80-1,574.28

Finding the Fourth Proportional to 3,329.86, 4,994.80 and 1,574.28

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Solution

The fourth proportional to 3,329.86, 4,994.80 and 1,574.28 is: 2,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.86 : 4,994.80 = 1,574.28 : x
  2. Step 2: Convert to fraction form
    3,329.86/4,994.80 = 1,574.28/x
  3. Step 3: Cross multiply
    3,329.86x = 4,994.80 × 1,574.28
  4. Step 4: Simplify right side
    3,329.86x = 7,863,213.74
  5. Step 5: Solve for x
    x = 7,863,213.74/3,329.86
  6. Step 6: Final answer
    x = 2,361.42

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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.