Home / 2,371.40-3,268.10-1,707.09

Finding the Fourth Proportional to 2,371.40, 3,268.10 and 1,707.09

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Solution

The fourth proportional to 2,371.40, 3,268.10 and 1,707.09 is: 2,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.40 : 3,268.10 = 1,707.09 : x
  2. Step 2: Convert to fraction form
    2,371.40/3,268.10 = 1,707.09/x
  3. Step 3: Cross multiply
    2,371.40x = 3,268.10 × 1,707.09
  4. Step 4: Simplify right side
    2,371.40x = 5,578,932.29
  5. Step 5: Solve for x
    x = 5,578,932.29/2,371.40
  6. Step 6: Final answer
    x = 2,352.60

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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.