Home / 2,740.21-4,112.14-1,008.84

Finding the Fourth Proportional to 2,740.21, 4,112.14 and 1,008.84

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Solution

The fourth proportional to 2,740.21, 4,112.14 and 1,008.84 is: 1,513.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.21 : 4,112.14 = 1,008.84 : x
  2. Step 2: Convert to fraction form
    2,740.21/4,112.14 = 1,008.84/x
  3. Step 3: Cross multiply
    2,740.21x = 4,112.14 × 1,008.84
  4. Step 4: Simplify right side
    2,740.21x = 4,148,465.71
  5. Step 5: Solve for x
    x = 4,148,465.71/2,740.21
  6. Step 6: Final answer
    x = 1,513.92

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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.