Home / 2,035.72-2,809.38-1,337.80

Finding the Fourth Proportional to 2,035.72, 2,809.38 and 1,337.80

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Solution

The fourth proportional to 2,035.72, 2,809.38 and 1,337.80 is: 1,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.72 : 2,809.38 = 1,337.80 : x
  2. Step 2: Convert to fraction form
    2,035.72/2,809.38 = 1,337.80/x
  3. Step 3: Cross multiply
    2,035.72x = 2,809.38 × 1,337.80
  4. Step 4: Simplify right side
    2,035.72x = 3,758,388.56
  5. Step 5: Solve for x
    x = 3,758,388.56/2,035.72
  6. Step 6: Final answer
    x = 1,846.22

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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.