Home / 3,848.69-5,312.51-2,276.75

Finding the Fourth Proportional to 3,848.69, 5,312.51 and 2,276.75

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Solution

The fourth proportional to 3,848.69, 5,312.51 and 2,276.75 is: 3,142.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.69 : 5,312.51 = 2,276.75 : x
  2. Step 2: Convert to fraction form
    3,848.69/5,312.51 = 2,276.75/x
  3. Step 3: Cross multiply
    3,848.69x = 5,312.51 × 2,276.75
  4. Step 4: Simplify right side
    3,848.69x = 12,095,257.14
  5. Step 5: Solve for x
    x = 12,095,257.14/3,848.69
  6. Step 6: Final answer
    x = 3,142.69

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1.5x scale

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.