Home / 3,119.28-4,714.32-3,065.52

Finding the Fourth Proportional to 3,119.28, 4,714.32 and 3,065.52

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Solution

The fourth proportional to 3,119.28, 4,714.32 and 3,065.52 is: 4,633.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.28 : 4,714.32 = 3,065.52 : x
  2. Step 2: Convert to fraction form
    3,119.28/4,714.32 = 3,065.52/x
  3. Step 3: Cross multiply
    3,119.28x = 4,714.32 × 3,065.52
  4. Step 4: Simplify right side
    3,119.28x = 14,451,842.25
  5. Step 5: Solve for x
    x = 14,451,842.25/3,119.28
  6. Step 6: Final answer
    x = 4,633.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.