Home / 3,259.36-4,886.34-1,311.04

Finding the Fourth Proportional to 3,259.36, 4,886.34 and 1,311.04

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Solution

The fourth proportional to 3,259.36, 4,886.34 and 1,311.04 is: 1,965.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.36 : 4,886.34 = 1,311.04 : x
  2. Step 2: Convert to fraction form
    3,259.36/4,886.34 = 1,311.04/x
  3. Step 3: Cross multiply
    3,259.36x = 4,886.34 × 1,311.04
  4. Step 4: Simplify right side
    3,259.36x = 6,406,187.19
  5. Step 5: Solve for x
    x = 6,406,187.19/3,259.36
  6. Step 6: Final answer
    x = 1,965.47

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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.