Home / 2,915.54-4,370.58-1,270.74

Finding the Fourth Proportional to 2,915.54, 4,370.58 and 1,270.74

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Solution

The fourth proportional to 2,915.54, 4,370.58 and 1,270.74 is: 1,904.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.54 : 4,370.58 = 1,270.74 : x
  2. Step 2: Convert to fraction form
    2,915.54/4,370.58 = 1,270.74/x
  3. Step 3: Cross multiply
    2,915.54x = 4,370.58 × 1,270.74
  4. Step 4: Simplify right side
    2,915.54x = 5,553,866.21
  5. Step 5: Solve for x
    x = 5,553,866.21/2,915.54
  6. Step 6: Final answer
    x = 1,904.92

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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.