Home / 3,989.51-5,985.48-2,342.58

Finding the Fourth Proportional to 3,989.51, 5,985.48 and 2,342.58

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Solution

The fourth proportional to 3,989.51, 5,985.48 and 2,342.58 is: 3,514.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.51 : 5,985.48 = 2,342.58 : x
  2. Step 2: Convert to fraction form
    3,989.51/5,985.48 = 2,342.58/x
  3. Step 3: Cross multiply
    3,989.51x = 5,985.48 × 2,342.58
  4. Step 4: Simplify right side
    3,989.51x = 14,021,465.74
  5. Step 5: Solve for x
    x = 14,021,465.74/3,989.51
  6. Step 6: Final answer
    x = 3,514.58

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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.