Home / 3,315.86-4,973.56-2,393.09

Finding the Fourth Proportional to 3,315.86, 4,973.56 and 2,393.09

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Solution

The fourth proportional to 3,315.86, 4,973.56 and 2,393.09 is: 3,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.86 : 4,973.56 = 2,393.09 : x
  2. Step 2: Convert to fraction form
    3,315.86/4,973.56 = 2,393.09/x
  3. Step 3: Cross multiply
    3,315.86x = 4,973.56 × 2,393.09
  4. Step 4: Simplify right side
    3,315.86x = 11,902,176.70
  5. Step 5: Solve for x
    x = 11,902,176.70/3,315.86
  6. Step 6: Final answer
    x = 3,589.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.