Home / 3,314.64-4,949.79-3,146.16

Finding the Fourth Proportional to 3,314.64, 4,949.79 and 3,146.16

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Solution

The fourth proportional to 3,314.64, 4,949.79 and 3,146.16 is: 4,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.64 : 4,949.79 = 3,146.16 : x
  2. Step 2: Convert to fraction form
    3,314.64/4,949.79 = 3,146.16/x
  3. Step 3: Cross multiply
    3,314.64x = 4,949.79 × 3,146.16
  4. Step 4: Simplify right side
    3,314.64x = 15,572,831.31
  5. Step 5: Solve for x
    x = 15,572,831.31/3,314.64
  6. Step 6: Final answer
    x = 4,698.20

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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.