Home / 3,136.56-4,703.16-2,103.20

Finding the Fourth Proportional to 3,136.56, 4,703.16 and 2,103.20

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Solution

The fourth proportional to 3,136.56, 4,703.16 and 2,103.20 is: 3,153.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.56 : 4,703.16 = 2,103.20 : x
  2. Step 2: Convert to fraction form
    3,136.56/4,703.16 = 2,103.20/x
  3. Step 3: Cross multiply
    3,136.56x = 4,703.16 × 2,103.20
  4. Step 4: Simplify right side
    3,136.56x = 9,891,688.12
  5. Step 5: Solve for x
    x = 9,891,688.12/3,136.56
  6. Step 6: Final answer
    x = 3,153.68

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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.