Home / 2,258.61-3,376.80-1,915.77

Finding the Fourth Proportional to 2,258.61, 3,376.80 and 1,915.77

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Solution

The fourth proportional to 2,258.61, 3,376.80 and 1,915.77 is: 2,864.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.61 : 3,376.80 = 1,915.77 : x
  2. Step 2: Convert to fraction form
    2,258.61/3,376.80 = 1,915.77/x
  3. Step 3: Cross multiply
    2,258.61x = 3,376.80 × 1,915.77
  4. Step 4: Simplify right side
    2,258.61x = 6,469,172.14
  5. Step 5: Solve for x
    x = 6,469,172.14/2,258.61
  6. Step 6: Final answer
    x = 2,864.23

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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.