Home / 3,001.21-4,505.13-1,769.51

Finding the Fourth Proportional to 3,001.21, 4,505.13 and 1,769.51

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Solution

The fourth proportional to 3,001.21, 4,505.13 and 1,769.51 is: 2,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.21 : 4,505.13 = 1,769.51 : x
  2. Step 2: Convert to fraction form
    3,001.21/4,505.13 = 1,769.51/x
  3. Step 3: Cross multiply
    3,001.21x = 4,505.13 × 1,769.51
  4. Step 4: Simplify right side
    3,001.21x = 7,971,872.59
  5. Step 5: Solve for x
    x = 7,971,872.59/3,001.21
  6. Step 6: Final answer
    x = 2,656.22

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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.