Home / 3,468.61-5,203.42-1,277.15

Finding the Fourth Proportional to 3,468.61, 5,203.42 and 1,277.15

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Solution

The fourth proportional to 3,468.61, 5,203.42 and 1,277.15 is: 1,915.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.61 : 5,203.42 = 1,277.15 : x
  2. Step 2: Convert to fraction form
    3,468.61/5,203.42 = 1,277.15/x
  3. Step 3: Cross multiply
    3,468.61x = 5,203.42 × 1,277.15
  4. Step 4: Simplify right side
    3,468.61x = 6,645,547.85
  5. Step 5: Solve for x
    x = 6,645,547.85/3,468.61
  6. Step 6: Final answer
    x = 1,915.91

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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.