Home / 3,812.49-5,718.73-2,513.65

Finding the Fourth Proportional to 3,812.49, 5,718.73 and 2,513.65

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Solution

The fourth proportional to 3,812.49, 5,718.73 and 2,513.65 is: 3,770.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.49 : 5,718.73 = 2,513.65 : x
  2. Step 2: Convert to fraction form
    3,812.49/5,718.73 = 2,513.65/x
  3. Step 3: Cross multiply
    3,812.49x = 5,718.73 × 2,513.65
  4. Step 4: Simplify right side
    3,812.49x = 14,374,885.66
  5. Step 5: Solve for x
    x = 14,374,885.66/3,812.49
  6. Step 6: Final answer
    x = 3,770.47

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1.5x scale

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.