Home / 3,985.74-5,973.35-3,057.75

Finding the Fourth Proportional to 3,985.74, 5,973.35 and 3,057.75

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Solution

The fourth proportional to 3,985.74, 5,973.35 and 3,057.75 is: 4,582.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.74 : 5,973.35 = 3,057.75 : x
  2. Step 2: Convert to fraction form
    3,985.74/5,973.35 = 3,057.75/x
  3. Step 3: Cross multiply
    3,985.74x = 5,973.35 × 3,057.75
  4. Step 4: Simplify right side
    3,985.74x = 18,264,995.67
  5. Step 5: Solve for x
    x = 18,264,995.67/3,985.74
  6. Step 6: Final answer
    x = 4,582.59

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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.