Home / 3,134.91-4,325.58-1,955.28

Finding the Fourth Proportional to 3,134.91, 4,325.58 and 1,955.28

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Solution

The fourth proportional to 3,134.91, 4,325.58 and 1,955.28 is: 2,697.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.91 : 4,325.58 = 1,955.28 : x
  2. Step 2: Convert to fraction form
    3,134.91/4,325.58 = 1,955.28/x
  3. Step 3: Cross multiply
    3,134.91x = 4,325.58 × 1,955.28
  4. Step 4: Simplify right side
    3,134.91x = 8,457,720.06
  5. Step 5: Solve for x
    x = 8,457,720.06/3,134.91
  6. Step 6: Final answer
    x = 2,697.91

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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.