Home / 2,852.30-3,935.75-1,732.65

Finding the Fourth Proportional to 2,852.30, 3,935.75 and 1,732.65

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Solution

The fourth proportional to 2,852.30, 3,935.75 and 1,732.65 is: 2,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.30 : 3,935.75 = 1,732.65 : x
  2. Step 2: Convert to fraction form
    2,852.30/3,935.75 = 1,732.65/x
  3. Step 3: Cross multiply
    2,852.30x = 3,935.75 × 1,732.65
  4. Step 4: Simplify right side
    2,852.30x = 6,819,268.57
  5. Step 5: Solve for x
    x = 6,819,268.57/2,852.30
  6. Step 6: Final answer
    x = 2,390.80

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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.