Home / 2,114.37-3,173.92-1,237.91

Finding the Fourth Proportional to 2,114.37, 3,173.92 and 1,237.91

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Solution

The fourth proportional to 2,114.37, 3,173.92 and 1,237.91 is: 1,858.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.37 : 3,173.92 = 1,237.91 : x
  2. Step 2: Convert to fraction form
    2,114.37/3,173.92 = 1,237.91/x
  3. Step 3: Cross multiply
    2,114.37x = 3,173.92 × 1,237.91
  4. Step 4: Simplify right side
    2,114.37x = 3,929,008.34
  5. Step 5: Solve for x
    x = 3,929,008.34/2,114.37
  6. Step 6: Final answer
    x = 1,858.24

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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.