Home / 3,289.02-4,539.15-1,891.50

Finding the Fourth Proportional to 3,289.02, 4,539.15 and 1,891.50

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Solution

The fourth proportional to 3,289.02, 4,539.15 and 1,891.50 is: 2,610.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.02 : 4,539.15 = 1,891.50 : x
  2. Step 2: Convert to fraction form
    3,289.02/4,539.15 = 1,891.50/x
  3. Step 3: Cross multiply
    3,289.02x = 4,539.15 × 1,891.50
  4. Step 4: Simplify right side
    3,289.02x = 8,585,802.23
  5. Step 5: Solve for x
    x = 8,585,802.23/3,289.02
  6. Step 6: Final answer
    x = 2,610.44

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1.5x scale

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.