Home / 3,001.05-4,501.80-809.73

Finding the Fourth Proportional to 3,001.05, 4,501.80 and 809.73

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Solution

The fourth proportional to 3,001.05, 4,501.80 and 809.73 is: 1,214.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.05 : 4,501.80 = 809.73 : x
  2. Step 2: Convert to fraction form
    3,001.05/4,501.80 = 809.73/x
  3. Step 3: Cross multiply
    3,001.05x = 4,501.80 × 809.73
  4. Step 4: Simplify right side
    3,001.05x = 3,645,242.51
  5. Step 5: Solve for x
    x = 3,645,242.51/3,001.05
  6. Step 6: Final answer
    x = 1,214.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.