Home / 3,955.13-5,457.11-2,360.75

Finding the Fourth Proportional to 3,955.13, 5,457.11 and 2,360.75

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Solution

The fourth proportional to 3,955.13, 5,457.11 and 2,360.75 is: 3,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.13 : 5,457.11 = 2,360.75 : x
  2. Step 2: Convert to fraction form
    3,955.13/5,457.11 = 2,360.75/x
  3. Step 3: Cross multiply
    3,955.13x = 5,457.11 × 2,360.75
  4. Step 4: Simplify right side
    3,955.13x = 12,882,833.34
  5. Step 5: Solve for x
    x = 12,882,833.34/3,955.13
  6. Step 6: Final answer
    x = 3,257.25

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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.