Home / 3,903.12-5,852.79-1,439.10

Finding the Fourth Proportional to 3,903.12, 5,852.79 and 1,439.10

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Solution

The fourth proportional to 3,903.12, 5,852.79 and 1,439.10 is: 2,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.12 : 5,852.79 = 1,439.10 : x
  2. Step 2: Convert to fraction form
    3,903.12/5,852.79 = 1,439.10/x
  3. Step 3: Cross multiply
    3,903.12x = 5,852.79 × 1,439.10
  4. Step 4: Simplify right side
    3,903.12x = 8,422,750.09
  5. Step 5: Solve for x
    x = 8,422,750.09/3,903.12
  6. Step 6: Final answer
    x = 2,157.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.