Home / 3,834.40-5,289.60-2,437.60

Finding the Fourth Proportional to 3,834.40, 5,289.60 and 2,437.60

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Solution

The fourth proportional to 3,834.40, 5,289.60 and 2,437.60 is: 3,362.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.40 : 5,289.60 = 2,437.60 : x
  2. Step 2: Convert to fraction form
    3,834.40/5,289.60 = 2,437.60/x
  3. Step 3: Cross multiply
    3,834.40x = 5,289.60 × 2,437.60
  4. Step 4: Simplify right side
    3,834.40x = 12,893,928.96
  5. Step 5: Solve for x
    x = 12,893,928.96/3,834.40
  6. Step 6: Final answer
    x = 3,362.70

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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.