Home / 3,340.47-4,609.76-2,385.14

Finding the Fourth Proportional to 3,340.47, 4,609.76 and 2,385.14

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Solution

The fourth proportional to 3,340.47, 4,609.76 and 2,385.14 is: 3,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.47 : 4,609.76 = 2,385.14 : x
  2. Step 2: Convert to fraction form
    3,340.47/4,609.76 = 2,385.14/x
  3. Step 3: Cross multiply
    3,340.47x = 4,609.76 × 2,385.14
  4. Step 4: Simplify right side
    3,340.47x = 10,994,905.88
  5. Step 5: Solve for x
    x = 10,994,905.88/3,340.47
  6. Step 6: Final answer
    x = 3,291.42

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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.