Home / 3,180.47-4,749.54-3,146.14

Finding the Fourth Proportional to 3,180.47, 4,749.54 and 3,146.14

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Solution

The fourth proportional to 3,180.47, 4,749.54 and 3,146.14 is: 4,698.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.47 : 4,749.54 = 3,146.14 : x
  2. Step 2: Convert to fraction form
    3,180.47/4,749.54 = 3,146.14/x
  3. Step 3: Cross multiply
    3,180.47x = 4,749.54 × 3,146.14
  4. Step 4: Simplify right side
    3,180.47x = 14,942,711.91
  5. Step 5: Solve for x
    x = 14,942,711.91/3,180.47
  6. Step 6: Final answer
    x = 4,698.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.