Home / 1,610.07-2,408.76-1,221.18

Finding the Fourth Proportional to 1,610.07, 2,408.76 and 1,221.18

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Solution

The fourth proportional to 1,610.07, 2,408.76 and 1,221.18 is: 1,826.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.07 : 2,408.76 = 1,221.18 : x
  2. Step 2: Convert to fraction form
    1,610.07/2,408.76 = 1,221.18/x
  3. Step 3: Cross multiply
    1,610.07x = 2,408.76 × 1,221.18
  4. Step 4: Simplify right side
    1,610.07x = 2,941,529.54
  5. Step 5: Solve for x
    x = 2,941,529.54/1,610.07
  6. Step 6: Final answer
    x = 1,826.96

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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.