Home / 3,390.96-4,654.56-3,009.52

Finding the Fourth Proportional to 3,390.96, 4,654.56 and 3,009.52

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Solution

The fourth proportional to 3,390.96, 4,654.56 and 3,009.52 is: 4,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.96 : 4,654.56 = 3,009.52 : x
  2. Step 2: Convert to fraction form
    3,390.96/4,654.56 = 3,009.52/x
  3. Step 3: Cross multiply
    3,390.96x = 4,654.56 × 3,009.52
  4. Step 4: Simplify right side
    3,390.96x = 14,007,991.41
  5. Step 5: Solve for x
    x = 14,007,991.41/3,390.96
  6. Step 6: Final answer
    x = 4,130.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.