Home / 1,812.96-2,501.85-1,016.28

Finding the Fourth Proportional to 1,812.96, 2,501.85 and 1,016.28

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Solution

The fourth proportional to 1,812.96, 2,501.85 and 1,016.28 is: 1,402.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.96 : 2,501.85 = 1,016.28 : x
  2. Step 2: Convert to fraction form
    1,812.96/2,501.85 = 1,016.28/x
  3. Step 3: Cross multiply
    1,812.96x = 2,501.85 × 1,016.28
  4. Step 4: Simplify right side
    1,812.96x = 2,542,580.12
  5. Step 5: Solve for x
    x = 2,542,580.12/1,812.96
  6. Step 6: Final answer
    x = 1,402.45

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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.