Home / 2,997.48-4,136.72-1,671.32

Finding the Fourth Proportional to 2,997.48, 4,136.72 and 1,671.32

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Solution

The fourth proportional to 2,997.48, 4,136.72 and 1,671.32 is: 2,306.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.48 : 4,136.72 = 1,671.32 : x
  2. Step 2: Convert to fraction form
    2,997.48/4,136.72 = 1,671.32/x
  3. Step 3: Cross multiply
    2,997.48x = 4,136.72 × 1,671.32
  4. Step 4: Simplify right side
    2,997.48x = 6,913,782.87
  5. Step 5: Solve for x
    x = 6,913,782.87/2,997.48
  6. Step 6: Final answer
    x = 2,306.53

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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.