Home / 3,374.00-4,654.01-2,178.53

Finding the Fourth Proportional to 3,374.00, 4,654.01 and 2,178.53

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Solution

The fourth proportional to 3,374.00, 4,654.01 and 2,178.53 is: 3,005.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.00 : 4,654.01 = 2,178.53 : x
  2. Step 2: Convert to fraction form
    3,374.00/4,654.01 = 2,178.53/x
  3. Step 3: Cross multiply
    3,374.00x = 4,654.01 × 2,178.53
  4. Step 4: Simplify right side
    3,374.00x = 10,138,866.24
  5. Step 5: Solve for x
    x = 10,138,866.24/3,374.00
  6. Step 6: Final answer
    x = 3,005.00

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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.