Home / 3,136.22-4,701.65-1,286.18

Finding the Fourth Proportional to 3,136.22, 4,701.65 and 1,286.18

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Solution

The fourth proportional to 3,136.22, 4,701.65 and 1,286.18 is: 1,928.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.22 : 4,701.65 = 1,286.18 : x
  2. Step 2: Convert to fraction form
    3,136.22/4,701.65 = 1,286.18/x
  3. Step 3: Cross multiply
    3,136.22x = 4,701.65 × 1,286.18
  4. Step 4: Simplify right side
    3,136.22x = 6,047,155.89
  5. Step 5: Solve for x
    x = 6,047,155.89/3,136.22
  6. Step 6: Final answer
    x = 1,928.17

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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.