Home / 3,136.91-4,706.18-1,189.13

Finding the Fourth Proportional to 3,136.91, 4,706.18 and 1,189.13

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Solution

The fourth proportional to 3,136.91, 4,706.18 and 1,189.13 is: 1,784.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.91 : 4,706.18 = 1,189.13 : x
  2. Step 2: Convert to fraction form
    3,136.91/4,706.18 = 1,189.13/x
  3. Step 3: Cross multiply
    3,136.91x = 4,706.18 × 1,189.13
  4. Step 4: Simplify right side
    3,136.91x = 5,596,253.88
  5. Step 5: Solve for x
    x = 5,596,253.88/3,136.91
  6. Step 6: Final answer
    x = 1,784.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.