Home / 1,477.51-2,213.53-1,151.28

Finding the Fourth Proportional to 1,477.51, 2,213.53 and 1,151.28

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Solution

The fourth proportional to 1,477.51, 2,213.53 and 1,151.28 is: 1,724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.51 : 2,213.53 = 1,151.28 : x
  2. Step 2: Convert to fraction form
    1,477.51/2,213.53 = 1,151.28/x
  3. Step 3: Cross multiply
    1,477.51x = 2,213.53 × 1,151.28
  4. Step 4: Simplify right side
    1,477.51x = 2,548,389.94
  5. Step 5: Solve for x
    x = 2,548,389.94/1,477.51
  6. Step 6: Final answer
    x = 1,724.79

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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.