Home / 2,837.29-3,915.12-1,578.03

Finding the Fourth Proportional to 2,837.29, 3,915.12 and 1,578.03

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Solution

The fourth proportional to 2,837.29, 3,915.12 and 1,578.03 is: 2,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.29 : 3,915.12 = 1,578.03 : x
  2. Step 2: Convert to fraction form
    2,837.29/3,915.12 = 1,578.03/x
  3. Step 3: Cross multiply
    2,837.29x = 3,915.12 × 1,578.03
  4. Step 4: Simplify right side
    2,837.29x = 6,178,176.81
  5. Step 5: Solve for x
    x = 6,178,176.81/2,837.29
  6. Step 6: Final answer
    x = 2,177.49

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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.