Home / 2,804.02-4,208.46-1,831.20

Finding the Fourth Proportional to 2,804.02, 4,208.46 and 1,831.20

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Solution

The fourth proportional to 2,804.02, 4,208.46 and 1,831.20 is: 2,748.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804.02 : 4,208.46 = 1,831.20 : x
  2. Step 2: Convert to fraction form
    2,804.02/4,208.46 = 1,831.20/x
  3. Step 3: Cross multiply
    2,804.02x = 4,208.46 × 1,831.20
  4. Step 4: Simplify right side
    2,804.02x = 7,706,531.95
  5. Step 5: Solve for x
    x = 7,706,531.95/2,804.02
  6. Step 6: Final answer
    x = 2,748.39

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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.