Home / 3,486.42-4,811.36-1,994.58

Finding the Fourth Proportional to 3,486.42, 4,811.36 and 1,994.58

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Solution

The fourth proportional to 3,486.42, 4,811.36 and 1,994.58 is: 2,752.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.42 : 4,811.36 = 1,994.58 : x
  2. Step 2: Convert to fraction form
    3,486.42/4,811.36 = 1,994.58/x
  3. Step 3: Cross multiply
    3,486.42x = 4,811.36 × 1,994.58
  4. Step 4: Simplify right side
    3,486.42x = 9,596,642.43
  5. Step 5: Solve for x
    x = 9,596,642.43/3,486.42
  6. Step 6: Final answer
    x = 2,752.58

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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.