Home / 3,134.32-4,325.64-1,790.08

Finding the Fourth Proportional to 3,134.32, 4,325.64 and 1,790.08

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Solution

The fourth proportional to 3,134.32, 4,325.64 and 1,790.08 is: 2,470.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.32 : 4,325.64 = 1,790.08 : x
  2. Step 2: Convert to fraction form
    3,134.32/4,325.64 = 1,790.08/x
  3. Step 3: Cross multiply
    3,134.32x = 4,325.64 × 1,790.08
  4. Step 4: Simplify right side
    3,134.32x = 7,743,241.65
  5. Step 5: Solve for x
    x = 7,743,241.65/3,134.32
  6. Step 6: Final answer
    x = 2,470.47

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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.