Home / 3,955.28-5,462.88-2,626.68

Finding the Fourth Proportional to 3,955.28, 5,462.88 and 2,626.68

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Solution

The fourth proportional to 3,955.28, 5,462.88 and 2,626.68 is: 3,627.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.28 : 5,462.88 = 2,626.68 : x
  2. Step 2: Convert to fraction form
    3,955.28/5,462.88 = 2,626.68/x
  3. Step 3: Cross multiply
    3,955.28x = 5,462.88 × 2,626.68
  4. Step 4: Simplify right side
    3,955.28x = 14,349,237.64
  5. Step 5: Solve for x
    x = 14,349,237.64/3,955.28
  6. Step 6: Final answer
    x = 3,627.87

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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.