Home / 3,539.48-5,310.14-1,347.02

Finding the Fourth Proportional to 3,539.48, 5,310.14 and 1,347.02

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Solution

The fourth proportional to 3,539.48, 5,310.14 and 1,347.02 is: 2,020.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.48 : 5,310.14 = 1,347.02 : x
  2. Step 2: Convert to fraction form
    3,539.48/5,310.14 = 1,347.02/x
  3. Step 3: Cross multiply
    3,539.48x = 5,310.14 × 1,347.02
  4. Step 4: Simplify right side
    3,539.48x = 7,152,831.50
  5. Step 5: Solve for x
    x = 7,152,831.50/3,539.48
  6. Step 6: Final answer
    x = 2,020.87

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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.