Home / 2,567.82-3,542.45-2,036.91

Finding the Fourth Proportional to 2,567.82, 3,542.45 and 2,036.91

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Solution

The fourth proportional to 2,567.82, 3,542.45 and 2,036.91 is: 2,810.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567.82 : 3,542.45 = 2,036.91 : x
  2. Step 2: Convert to fraction form
    2,567.82/3,542.45 = 2,036.91/x
  3. Step 3: Cross multiply
    2,567.82x = 3,542.45 × 2,036.91
  4. Step 4: Simplify right side
    2,567.82x = 7,215,641.64
  5. Step 5: Solve for x
    x = 7,215,641.64/2,567.82
  6. Step 6: Final answer
    x = 2,810.03

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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.