Home / 3,001.31-4,501.05-1,152.28

Finding the Fourth Proportional to 3,001.31, 4,501.05 and 1,152.28

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Solution

The fourth proportional to 3,001.31, 4,501.05 and 1,152.28 is: 1,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.31 : 4,501.05 = 1,152.28 : x
  2. Step 2: Convert to fraction form
    3,001.31/4,501.05 = 1,152.28/x
  3. Step 3: Cross multiply
    3,001.31x = 4,501.05 × 1,152.28
  4. Step 4: Simplify right side
    3,001.31x = 5,186,469.89
  5. Step 5: Solve for x
    x = 5,186,469.89/3,001.31
  6. Step 6: Final answer
    x = 1,728.07

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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.