Home / 2,997.74-4,136.65-1,671.26

Finding the Fourth Proportional to 2,997.74, 4,136.65 and 1,671.26

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Solution

The fourth proportional to 2,997.74, 4,136.65 and 1,671.26 is: 2,306.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.74 : 4,136.65 = 1,671.26 : x
  2. Step 2: Convert to fraction form
    2,997.74/4,136.65 = 1,671.26/x
  3. Step 3: Cross multiply
    2,997.74x = 4,136.65 × 1,671.26
  4. Step 4: Simplify right side
    2,997.74x = 6,913,417.68
  5. Step 5: Solve for x
    x = 6,913,417.68/2,997.74
  6. Step 6: Final answer
    x = 2,306.21

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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.