Home / 3,071.28-4,238.32-1,829.04

Finding the Fourth Proportional to 3,071.28, 4,238.32 and 1,829.04

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Solution

The fourth proportional to 3,071.28, 4,238.32 and 1,829.04 is: 2,524.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.28 : 4,238.32 = 1,829.04 : x
  2. Step 2: Convert to fraction form
    3,071.28/4,238.32 = 1,829.04/x
  3. Step 3: Cross multiply
    3,071.28x = 4,238.32 × 1,829.04
  4. Step 4: Simplify right side
    3,071.28x = 7,752,056.81
  5. Step 5: Solve for x
    x = 7,752,056.81/3,071.28
  6. Step 6: Final answer
    x = 2,524.05

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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.