Home / 2,600.36-3,588.37-1,421.43

Finding the Fourth Proportional to 2,600.36, 3,588.37 and 1,421.43

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Solution

The fourth proportional to 2,600.36, 3,588.37 and 1,421.43 is: 1,961.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.36 : 3,588.37 = 1,421.43 : x
  2. Step 2: Convert to fraction form
    2,600.36/3,588.37 = 1,421.43/x
  3. Step 3: Cross multiply
    2,600.36x = 3,588.37 × 1,421.43
  4. Step 4: Simplify right side
    2,600.36x = 5,100,613.22
  5. Step 5: Solve for x
    x = 5,100,613.22/2,600.36
  6. Step 6: Final answer
    x = 1,961.50

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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.