Home / 3,348.09-4,620.63-1,856.13

Finding the Fourth Proportional to 3,348.09, 4,620.63 and 1,856.13

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Solution

The fourth proportional to 3,348.09, 4,620.63 and 1,856.13 is: 2,561.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.09 : 4,620.63 = 1,856.13 : x
  2. Step 2: Convert to fraction form
    3,348.09/4,620.63 = 1,856.13/x
  3. Step 3: Cross multiply
    3,348.09x = 4,620.63 × 1,856.13
  4. Step 4: Simplify right side
    3,348.09x = 8,576,489.96
  5. Step 5: Solve for x
    x = 8,576,489.96/3,348.09
  6. Step 6: Final answer
    x = 2,561.61

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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.