Home / 3,134.94-4,699.53-1,081.50

Finding the Fourth Proportional to 3,134.94, 4,699.53 and 1,081.50

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Solution

The fourth proportional to 3,134.94, 4,699.53 and 1,081.50 is: 1,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.94 : 4,699.53 = 1,081.50 : x
  2. Step 2: Convert to fraction form
    3,134.94/4,699.53 = 1,081.50/x
  3. Step 3: Cross multiply
    3,134.94x = 4,699.53 × 1,081.50
  4. Step 4: Simplify right side
    3,134.94x = 5,082,541.70
  5. Step 5: Solve for x
    x = 5,082,541.70/3,134.94
  6. Step 6: Final answer
    x = 1,621.26

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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.