Home / 3,136.02-4,333.42-2,984.20

Finding the Fourth Proportional to 3,136.02, 4,333.42 and 2,984.20

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Solution

The fourth proportional to 3,136.02, 4,333.42 and 2,984.20 is: 4,123.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.02 : 4,333.42 = 2,984.20 : x
  2. Step 2: Convert to fraction form
    3,136.02/4,333.42 = 2,984.20/x
  3. Step 3: Cross multiply
    3,136.02x = 4,333.42 × 2,984.20
  4. Step 4: Simplify right side
    3,136.02x = 12,931,791.96
  5. Step 5: Solve for x
    x = 12,931,791.96/3,136.02
  6. Step 6: Final answer
    x = 4,123.63

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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.