Home / 1,712.06-2,362.81-1,039.71

Finding the Fourth Proportional to 1,712.06, 2,362.81 and 1,039.71

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Solution

The fourth proportional to 1,712.06, 2,362.81 and 1,039.71 is: 1,434.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.06 : 2,362.81 = 1,039.71 : x
  2. Step 2: Convert to fraction form
    1,712.06/2,362.81 = 1,039.71/x
  3. Step 3: Cross multiply
    1,712.06x = 2,362.81 × 1,039.71
  4. Step 4: Simplify right side
    1,712.06x = 2,456,632.11
  5. Step 5: Solve for x
    x = 2,456,632.11/1,712.06
  6. Step 6: Final answer
    x = 1,434.89

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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.