Home / 3,875.28-5,348.04-2,383.68

Finding the Fourth Proportional to 3,875.28, 5,348.04 and 2,383.68

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Solution

The fourth proportional to 3,875.28, 5,348.04 and 2,383.68 is: 3,289.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.28 : 5,348.04 = 2,383.68 : x
  2. Step 2: Convert to fraction form
    3,875.28/5,348.04 = 2,383.68/x
  3. Step 3: Cross multiply
    3,875.28x = 5,348.04 × 2,383.68
  4. Step 4: Simplify right side
    3,875.28x = 12,748,015.99
  5. Step 5: Solve for x
    x = 12,748,015.99/3,875.28
  6. Step 6: Final answer
    x = 3,289.57

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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.