Home / 4,277.28-5,902.65-2,485.11

Finding the Fourth Proportional to 4,277.28, 5,902.65 and 2,485.11

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Solution

The fourth proportional to 4,277.28, 5,902.65 and 2,485.11 is: 3,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.28 : 5,902.65 = 2,485.11 : x
  2. Step 2: Convert to fraction form
    4,277.28/5,902.65 = 2,485.11/x
  3. Step 3: Cross multiply
    4,277.28x = 5,902.65 × 2,485.11
  4. Step 4: Simplify right side
    4,277.28x = 14,668,734.54
  5. Step 5: Solve for x
    x = 14,668,734.54/4,277.28
  6. Step 6: Final answer
    x = 3,429.45

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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.