Home / 3,221.40-4,831.93-1,030.03

Finding the Fourth Proportional to 3,221.40, 4,831.93 and 1,030.03

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Solution

The fourth proportional to 3,221.40, 4,831.93 and 1,030.03 is: 1,544.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.40 : 4,831.93 = 1,030.03 : x
  2. Step 2: Convert to fraction form
    3,221.40/4,831.93 = 1,030.03/x
  3. Step 3: Cross multiply
    3,221.40x = 4,831.93 × 1,030.03
  4. Step 4: Simplify right side
    3,221.40x = 4,977,032.86
  5. Step 5: Solve for x
    x = 4,977,032.86/3,221.40
  6. Step 6: Final answer
    x = 1,544.99

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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.