Home / 3,313.25-4,567.47-2,315.43

Finding the Fourth Proportional to 3,313.25, 4,567.47 and 2,315.43

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Solution

The fourth proportional to 3,313.25, 4,567.47 and 2,315.43 is: 3,191.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.25 : 4,567.47 = 2,315.43 : x
  2. Step 2: Convert to fraction form
    3,313.25/4,567.47 = 2,315.43/x
  3. Step 3: Cross multiply
    3,313.25x = 4,567.47 × 2,315.43
  4. Step 4: Simplify right side
    3,313.25x = 10,575,645.48
  5. Step 5: Solve for x
    x = 10,575,645.48/3,313.25
  6. Step 6: Final answer
    x = 3,191.92

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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.