Home / 3,809.02-5,707.64-2,641.31

Finding the Fourth Proportional to 3,809.02, 5,707.64 and 2,641.31

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Solution

The fourth proportional to 3,809.02, 5,707.64 and 2,641.31 is: 3,957.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.02 : 5,707.64 = 2,641.31 : x
  2. Step 2: Convert to fraction form
    3,809.02/5,707.64 = 2,641.31/x
  3. Step 3: Cross multiply
    3,809.02x = 5,707.64 × 2,641.31
  4. Step 4: Simplify right side
    3,809.02x = 15,075,646.61
  5. Step 5: Solve for x
    x = 15,075,646.61/3,809.02
  6. Step 6: Final answer
    x = 3,957.88

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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.