Home / 2,997.42-4,136.45-1,671.40

Finding the Fourth Proportional to 2,997.42, 4,136.45 and 1,671.40

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Solution

The fourth proportional to 2,997.42, 4,136.45 and 1,671.40 is: 2,306.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.42 : 4,136.45 = 1,671.40 : x
  2. Step 2: Convert to fraction form
    2,997.42/4,136.45 = 1,671.40/x
  3. Step 3: Cross multiply
    2,997.42x = 4,136.45 × 1,671.40
  4. Step 4: Simplify right side
    2,997.42x = 6,913,668.75
  5. Step 5: Solve for x
    x = 6,913,668.75/2,997.42
  6. Step 6: Final answer
    x = 2,306.54

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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.