Home / 3,236.56-4,854.08-1,386.80

Finding the Fourth Proportional to 3,236.56, 4,854.08 and 1,386.80

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Solution

The fourth proportional to 3,236.56, 4,854.08 and 1,386.80 is: 2,079.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.56 : 4,854.08 = 1,386.80 : x
  2. Step 2: Convert to fraction form
    3,236.56/4,854.08 = 1,386.80/x
  3. Step 3: Cross multiply
    3,236.56x = 4,854.08 × 1,386.80
  4. Step 4: Simplify right side
    3,236.56x = 6,731,638.14
  5. Step 5: Solve for x
    x = 6,731,638.14/3,236.56
  6. Step 6: Final answer
    x = 2,079.87

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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.