Home / 1,457.62-2,186.43-1,028.32

Finding the Fourth Proportional to 1,457.62, 2,186.43 and 1,028.32

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Solution

The fourth proportional to 1,457.62, 2,186.43 and 1,028.32 is: 1,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457.62 : 2,186.43 = 1,028.32 : x
  2. Step 2: Convert to fraction form
    1,457.62/2,186.43 = 1,028.32/x
  3. Step 3: Cross multiply
    1,457.62x = 2,186.43 × 1,028.32
  4. Step 4: Simplify right side
    1,457.62x = 2,248,349.70
  5. Step 5: Solve for x
    x = 2,248,349.70/1,457.62
  6. Step 6: Final answer
    x = 1,542.48

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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.