Home / 3,717.98-5,136.16-2,970.96

Finding the Fourth Proportional to 3,717.98, 5,136.16 and 2,970.96

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Solution

The fourth proportional to 3,717.98, 5,136.16 and 2,970.96 is: 4,104.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.98 : 5,136.16 = 2,970.96 : x
  2. Step 2: Convert to fraction form
    3,717.98/5,136.16 = 2,970.96/x
  3. Step 3: Cross multiply
    3,717.98x = 5,136.16 × 2,970.96
  4. Step 4: Simplify right side
    3,717.98x = 15,259,325.91
  5. Step 5: Solve for x
    x = 15,259,325.91/3,717.98
  6. Step 6: Final answer
    x = 4,104.20

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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.