Home / 2,600.10-3,588.19-1,421.22

Finding the Fourth Proportional to 2,600.10, 3,588.19 and 1,421.22

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Solution

The fourth proportional to 2,600.10, 3,588.19 and 1,421.22 is: 1,961.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.10 : 3,588.19 = 1,421.22 : x
  2. Step 2: Convert to fraction form
    2,600.10/3,588.19 = 1,421.22/x
  3. Step 3: Cross multiply
    2,600.10x = 3,588.19 × 1,421.22
  4. Step 4: Simplify right side
    2,600.10x = 5,099,607.39
  5. Step 5: Solve for x
    x = 5,099,607.39/2,600.10
  6. Step 6: Final answer
    x = 1,961.31

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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.