Home / 2,802.47-4,203.75-2,281.18

Finding the Fourth Proportional to 2,802.47, 4,203.75 and 2,281.18

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Solution

The fourth proportional to 2,802.47, 4,203.75 and 2,281.18 is: 3,421.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.47 : 4,203.75 = 2,281.18 : x
  2. Step 2: Convert to fraction form
    2,802.47/4,203.75 = 2,281.18/x
  3. Step 3: Cross multiply
    2,802.47x = 4,203.75 × 2,281.18
  4. Step 4: Simplify right side
    2,802.47x = 9,589,510.43
  5. Step 5: Solve for x
    x = 9,589,510.43/2,802.47
  6. Step 6: Final answer
    x = 3,421.81

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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.