Home / 2,376.68-3,281.21-2,113.93

Finding the Fourth Proportional to 2,376.68, 3,281.21 and 2,113.93

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Solution

The fourth proportional to 2,376.68, 3,281.21 and 2,113.93 is: 2,918.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.68 : 3,281.21 = 2,113.93 : x
  2. Step 2: Convert to fraction form
    2,376.68/3,281.21 = 2,113.93/x
  3. Step 3: Cross multiply
    2,376.68x = 3,281.21 × 2,113.93
  4. Step 4: Simplify right side
    2,376.68x = 6,936,249.71
  5. Step 5: Solve for x
    x = 6,936,249.71/2,376.68
  6. Step 6: Final answer
    x = 2,918.47

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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.