Home / 2,136.70-3,190.60-1,848.70

Finding the Fourth Proportional to 2,136.70, 3,190.60 and 1,848.70

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Solution

The fourth proportional to 2,136.70, 3,190.60 and 1,848.70 is: 2,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.70 : 3,190.60 = 1,848.70 : x
  2. Step 2: Convert to fraction form
    2,136.70/3,190.60 = 1,848.70/x
  3. Step 3: Cross multiply
    2,136.70x = 3,190.60 × 1,848.70
  4. Step 4: Simplify right side
    2,136.70x = 5,898,462.22
  5. Step 5: Solve for x
    x = 5,898,462.22/2,136.70
  6. Step 6: Final answer
    x = 2,760.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.