Home / 2,537.46-3,805.56-1,720.80

Finding the Fourth Proportional to 2,537.46, 3,805.56 and 1,720.80

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Solution

The fourth proportional to 2,537.46, 3,805.56 and 1,720.80 is: 2,580.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,537.46 : 3,805.56 = 1,720.80 : x
  2. Step 2: Convert to fraction form
    2,537.46/3,805.56 = 1,720.80/x
  3. Step 3: Cross multiply
    2,537.46x = 3,805.56 × 1,720.80
  4. Step 4: Simplify right side
    2,537.46x = 6,548,607.65
  5. Step 5: Solve for x
    x = 6,548,607.65/2,537.46
  6. Step 6: Final answer
    x = 2,580.77

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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.