Home / 2,757.12-4,136.16-1,459.68

Finding the Fourth Proportional to 2,757.12, 4,136.16 and 1,459.68

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Solution

The fourth proportional to 2,757.12, 4,136.16 and 1,459.68 is: 2,189.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.12 : 4,136.16 = 1,459.68 : x
  2. Step 2: Convert to fraction form
    2,757.12/4,136.16 = 1,459.68/x
  3. Step 3: Cross multiply
    2,757.12x = 4,136.16 × 1,459.68
  4. Step 4: Simplify right side
    2,757.12x = 6,037,470.03
  5. Step 5: Solve for x
    x = 6,037,470.03/2,757.12
  6. Step 6: Final answer
    x = 2,189.77

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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.