Home / 3,289.40-4,539.48-2,030.51

Finding the Fourth Proportional to 3,289.40, 4,539.48 and 2,030.51

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Solution

The fourth proportional to 3,289.40, 4,539.48 and 2,030.51 is: 2,802.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.40 : 4,539.48 = 2,030.51 : x
  2. Step 2: Convert to fraction form
    3,289.40/4,539.48 = 2,030.51/x
  3. Step 3: Cross multiply
    3,289.40x = 4,539.48 × 2,030.51
  4. Step 4: Simplify right side
    3,289.40x = 9,217,470.88
  5. Step 5: Solve for x
    x = 9,217,470.88/3,289.40
  6. Step 6: Final answer
    x = 2,802.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.