Home / 2,564.93-3,536.41-2,139.75

Finding the Fourth Proportional to 2,564.93, 3,536.41 and 2,139.75

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Solution

The fourth proportional to 2,564.93, 3,536.41 and 2,139.75 is: 2,950.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.93 : 3,536.41 = 2,139.75 : x
  2. Step 2: Convert to fraction form
    2,564.93/3,536.41 = 2,139.75/x
  3. Step 3: Cross multiply
    2,564.93x = 3,536.41 × 2,139.75
  4. Step 4: Simplify right side
    2,564.93x = 7,567,033.30
  5. Step 5: Solve for x
    x = 7,567,033.30/2,564.93
  6. Step 6: Final answer
    x = 2,950.19

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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.