Home / 3,065.65-4,593.76-1,420.28

Finding the Fourth Proportional to 3,065.65, 4,593.76 and 1,420.28

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Solution

The fourth proportional to 3,065.65, 4,593.76 and 1,420.28 is: 2,128.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.65 : 4,593.76 = 1,420.28 : x
  2. Step 2: Convert to fraction form
    3,065.65/4,593.76 = 1,420.28/x
  3. Step 3: Cross multiply
    3,065.65x = 4,593.76 × 1,420.28
  4. Step 4: Simplify right side
    3,065.65x = 6,524,449.99
  5. Step 5: Solve for x
    x = 6,524,449.99/3,065.65
  6. Step 6: Final answer
    x = 2,128.25

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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.