Home / 1,812.44-2,501.16-1,066.39

Finding the Fourth Proportional to 1,812.44, 2,501.16 and 1,066.39

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Solution

The fourth proportional to 1,812.44, 2,501.16 and 1,066.39 is: 1,471.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.44 : 2,501.16 = 1,066.39 : x
  2. Step 2: Convert to fraction form
    1,812.44/2,501.16 = 1,066.39/x
  3. Step 3: Cross multiply
    1,812.44x = 2,501.16 × 1,066.39
  4. Step 4: Simplify right side
    1,812.44x = 2,667,212.01
  5. Step 5: Solve for x
    x = 2,667,212.01/1,812.44
  6. Step 6: Final answer
    x = 1,471.61

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1.5x scale

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.