Home / 2,881.42-4,314.82-1,646.68

Finding the Fourth Proportional to 2,881.42, 4,314.82 and 1,646.68

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Solution

The fourth proportional to 2,881.42, 4,314.82 and 1,646.68 is: 2,465.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.42 : 4,314.82 = 1,646.68 : x
  2. Step 2: Convert to fraction form
    2,881.42/4,314.82 = 1,646.68/x
  3. Step 3: Cross multiply
    2,881.42x = 4,314.82 × 1,646.68
  4. Step 4: Simplify right side
    2,881.42x = 7,105,124.07
  5. Step 5: Solve for x
    x = 7,105,124.07/2,881.42
  6. Step 6: Final answer
    x = 2,465.84

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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.