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Finding the Fourth Proportional to 3,897.08, 5,848.58 and 2,859.71

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Solution

The fourth proportional to 3,897.08, 5,848.58 and 2,859.71 is: 4,291.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897.08 : 5,848.58 = 2,859.71 : x
  2. Step 2: Convert to fraction form
    3,897.08/5,848.58 = 2,859.71/x
  3. Step 3: Cross multiply
    3,897.08x = 5,848.58 × 2,859.71
  4. Step 4: Simplify right side
    3,897.08x = 16,725,228.41
  5. Step 5: Solve for x
    x = 16,725,228.41/3,897.08
  6. Step 6: Final answer
    x = 4,291.73

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1.5x scale

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.