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Finding the Fourth Proportional to 3,256.48, 4,494.48 and 1,860

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Solution

The fourth proportional to 3,256.48, 4,494.48 and 1,860 is: 2,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.48 : 4,494.48 = 1,860 : x
  2. Step 2: Convert to fraction form
    3,256.48/4,494.48 = 1,860/x
  3. Step 3: Cross multiply
    3,256.48x = 4,494.48 × 1,860
  4. Step 4: Simplify right side
    3,256.48x = 8,359,732.80
  5. Step 5: Solve for x
    x = 8,359,732.80/3,256.48
  6. Step 6: Final answer
    x = 2,567.11

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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.