Home / 2,785.24-4,179.53-1,617.49

Finding the Fourth Proportional to 2,785.24, 4,179.53 and 1,617.49

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Solution

The fourth proportional to 2,785.24, 4,179.53 and 1,617.49 is: 2,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.24 : 4,179.53 = 1,617.49 : x
  2. Step 2: Convert to fraction form
    2,785.24/4,179.53 = 1,617.49/x
  3. Step 3: Cross multiply
    2,785.24x = 4,179.53 × 1,617.49
  4. Step 4: Simplify right side
    2,785.24x = 6,760,347.98
  5. Step 5: Solve for x
    x = 6,760,347.98/2,785.24
  6. Step 6: Final answer
    x = 2,427.20

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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.