Home / 2,675.02-3,690.28-1,731.11

Finding the Fourth Proportional to 2,675.02, 3,690.28 and 1,731.11

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Solution

The fourth proportional to 2,675.02, 3,690.28 and 1,731.11 is: 2,388.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.02 : 3,690.28 = 1,731.11 : x
  2. Step 2: Convert to fraction form
    2,675.02/3,690.28 = 1,731.11/x
  3. Step 3: Cross multiply
    2,675.02x = 3,690.28 × 1,731.11
  4. Step 4: Simplify right side
    2,675.02x = 6,388,278.59
  5. Step 5: Solve for x
    x = 6,388,278.59/2,675.02
  6. Step 6: Final answer
    x = 2,388.13

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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.