Home / 3,136.16-4,327.90-1,738.91

Finding the Fourth Proportional to 3,136.16, 4,327.90 and 1,738.91

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Solution

The fourth proportional to 3,136.16, 4,327.90 and 1,738.91 is: 2,399.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.16 : 4,327.90 = 1,738.91 : x
  2. Step 2: Convert to fraction form
    3,136.16/4,327.90 = 1,738.91/x
  3. Step 3: Cross multiply
    3,136.16x = 4,327.90 × 1,738.91
  4. Step 4: Simplify right side
    3,136.16x = 7,525,828.59
  5. Step 5: Solve for x
    x = 7,525,828.59/3,136.16
  6. Step 6: Final answer
    x = 2,399.70

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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.