Home / 3,324.34-4,986.53-1,587.70

Finding the Fourth Proportional to 3,324.34, 4,986.53 and 1,587.70

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Solution

The fourth proportional to 3,324.34, 4,986.53 and 1,587.70 is: 2,381.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.34 : 4,986.53 = 1,587.70 : x
  2. Step 2: Convert to fraction form
    3,324.34/4,986.53 = 1,587.70/x
  3. Step 3: Cross multiply
    3,324.34x = 4,986.53 × 1,587.70
  4. Step 4: Simplify right side
    3,324.34x = 7,917,080.81
  5. Step 5: Solve for x
    x = 7,917,080.81/3,324.34
  6. Step 6: Final answer
    x = 2,381.55

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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.