Home / 1,812.08-2,502.96-1,575.56

Finding the Fourth Proportional to 1,812.08, 2,502.96 and 1,575.56

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Solution

The fourth proportional to 1,812.08, 2,502.96 and 1,575.56 is: 2,176.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.08 : 2,502.96 = 1,575.56 : x
  2. Step 2: Convert to fraction form
    1,812.08/2,502.96 = 1,575.56/x
  3. Step 3: Cross multiply
    1,812.08x = 2,502.96 × 1,575.56
  4. Step 4: Simplify right side
    1,812.08x = 3,943,563.66
  5. Step 5: Solve for x
    x = 3,943,563.66/1,812.08
  6. Step 6: Final answer
    x = 2,176.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.