Home / 3,009.25-4,152.80-1,814.30

Finding the Fourth Proportional to 3,009.25, 4,152.80 and 1,814.30

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Solution

The fourth proportional to 3,009.25, 4,152.80 and 1,814.30 is: 2,503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.25 : 4,152.80 = 1,814.30 : x
  2. Step 2: Convert to fraction form
    3,009.25/4,152.80 = 1,814.30/x
  3. Step 3: Cross multiply
    3,009.25x = 4,152.80 × 1,814.30
  4. Step 4: Simplify right side
    3,009.25x = 7,534,415.97
  5. Step 5: Solve for x
    x = 7,534,415.97/3,009.25
  6. Step 6: Final answer
    x = 2,503.75

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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.