Home / 3,067.08-4,598.40-986.40

Finding the Fourth Proportional to 3,067.08, 4,598.40 and 986.40

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Solution

The fourth proportional to 3,067.08, 4,598.40 and 986.40 is: 1,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.08 : 4,598.40 = 986.40 : x
  2. Step 2: Convert to fraction form
    3,067.08/4,598.40 = 986.40/x
  3. Step 3: Cross multiply
    3,067.08x = 4,598.40 × 986.40
  4. Step 4: Simplify right side
    3,067.08x = 4,535,861.76
  5. Step 5: Solve for x
    x = 4,535,861.76/3,067.08
  6. Step 6: Final answer
    x = 1,478.89

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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.