Home / 2,982.02-4,115.31-1,655.84

Finding the Fourth Proportional to 2,982.02, 4,115.31 and 1,655.84

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Solution

The fourth proportional to 2,982.02, 4,115.31 and 1,655.84 is: 2,285.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.02 : 4,115.31 = 1,655.84 : x
  2. Step 2: Convert to fraction form
    2,982.02/4,115.31 = 1,655.84/x
  3. Step 3: Cross multiply
    2,982.02x = 4,115.31 × 1,655.84
  4. Step 4: Simplify right side
    2,982.02x = 6,814,298.99
  5. Step 5: Solve for x
    x = 6,814,298.99/2,982.02
  6. Step 6: Final answer
    x = 2,285.13

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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.