Home / 3,345.64-5,016.54-2,831.08

Finding the Fourth Proportional to 3,345.64, 5,016.54 and 2,831.08

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Solution

The fourth proportional to 3,345.64, 5,016.54 and 2,831.08 is: 4,245.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.64 : 5,016.54 = 2,831.08 : x
  2. Step 2: Convert to fraction form
    3,345.64/5,016.54 = 2,831.08/x
  3. Step 3: Cross multiply
    3,345.64x = 5,016.54 × 2,831.08
  4. Step 4: Simplify right side
    3,345.64x = 14,202,226.06
  5. Step 5: Solve for x
    x = 14,202,226.06/3,345.64
  6. Step 6: Final answer
    x = 4,245.00

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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.