Home / 2,985.02-4,109.89-2,274.59

Finding the Fourth Proportional to 2,985.02, 4,109.89 and 2,274.59

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Solution

The fourth proportional to 2,985.02, 4,109.89 and 2,274.59 is: 3,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.02 : 4,109.89 = 2,274.59 : x
  2. Step 2: Convert to fraction form
    2,985.02/4,109.89 = 2,274.59/x
  3. Step 3: Cross multiply
    2,985.02x = 4,109.89 × 2,274.59
  4. Step 4: Simplify right side
    2,985.02x = 9,348,296.99
  5. Step 5: Solve for x
    x = 9,348,296.99/2,985.02
  6. Step 6: Final answer
    x = 3,131.73

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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.