Home / 2,646.27-3,961.53-1,603.11

Finding the Fourth Proportional to 2,646.27, 3,961.53 and 1,603.11

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Solution

The fourth proportional to 2,646.27, 3,961.53 and 1,603.11 is: 2,399.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646.27 : 3,961.53 = 1,603.11 : x
  2. Step 2: Convert to fraction form
    2,646.27/3,961.53 = 1,603.11/x
  3. Step 3: Cross multiply
    2,646.27x = 3,961.53 × 1,603.11
  4. Step 4: Simplify right side
    2,646.27x = 6,350,768.36
  5. Step 5: Solve for x
    x = 6,350,768.36/2,646.27
  6. Step 6: Final answer
    x = 2,399.89

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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.