Home / 4,136.40-6,200.28-1,669.50

Finding the Fourth Proportional to 4,136.40, 6,200.28 and 1,669.50

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Solution

The fourth proportional to 4,136.40, 6,200.28 and 1,669.50 is: 2,502.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,136.40 : 6,200.28 = 1,669.50 : x
  2. Step 2: Convert to fraction form
    4,136.40/6,200.28 = 1,669.50/x
  3. Step 3: Cross multiply
    4,136.40x = 6,200.28 × 1,669.50
  4. Step 4: Simplify right side
    4,136.40x = 10,351,367.46
  5. Step 5: Solve for x
    x = 10,351,367.46/4,136.40
  6. Step 6: Final answer
    x = 2,502.51

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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.