Home / 2,600.30-3,588.44-1,421.42

Finding the Fourth Proportional to 2,600.30, 3,588.44 and 1,421.42

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Solution

The fourth proportional to 2,600.30, 3,588.44 and 1,421.42 is: 1,961.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.30 : 3,588.44 = 1,421.42 : x
  2. Step 2: Convert to fraction form
    2,600.30/3,588.44 = 1,421.42/x
  3. Step 3: Cross multiply
    2,600.30x = 3,588.44 × 1,421.42
  4. Step 4: Simplify right side
    2,600.30x = 5,100,655.34
  5. Step 5: Solve for x
    x = 5,100,655.34/2,600.30
  6. Step 6: Final answer
    x = 1,961.56

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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.