Home / 2,837.42-3,915.92-1,718.64

Finding the Fourth Proportional to 2,837.42, 3,915.92 and 1,718.64

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Solution

The fourth proportional to 2,837.42, 3,915.92 and 1,718.64 is: 2,371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.42 : 3,915.92 = 1,718.64 : x
  2. Step 2: Convert to fraction form
    2,837.42/3,915.92 = 1,718.64/x
  3. Step 3: Cross multiply
    2,837.42x = 3,915.92 × 1,718.64
  4. Step 4: Simplify right side
    2,837.42x = 6,730,056.75
  5. Step 5: Solve for x
    x = 6,730,056.75/2,837.42
  6. Step 6: Final answer
    x = 2,371.89

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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.