Home / 4,212.84-5,813.46-2,445

Finding the Fourth Proportional to 4,212.84, 5,813.46 and 2,445

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Solution

The fourth proportional to 4,212.84, 5,813.46 and 2,445 is: 3,373.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.84 : 5,813.46 = 2,445 : x
  2. Step 2: Convert to fraction form
    4,212.84/5,813.46 = 2,445/x
  3. Step 3: Cross multiply
    4,212.84x = 5,813.46 × 2,445
  4. Step 4: Simplify right side
    4,212.84x = 14,213,909.70
  5. Step 5: Solve for x
    x = 14,213,909.70/4,212.84
  6. Step 6: Final answer
    x = 3,373.95

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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.