Home / 2,456.66-3,390.05-1,512.51

Finding the Fourth Proportional to 2,456.66, 3,390.05 and 1,512.51

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Solution

The fourth proportional to 2,456.66, 3,390.05 and 1,512.51 is: 2,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.66 : 3,390.05 = 1,512.51 : x
  2. Step 2: Convert to fraction form
    2,456.66/3,390.05 = 1,512.51/x
  3. Step 3: Cross multiply
    2,456.66x = 3,390.05 × 1,512.51
  4. Step 4: Simplify right side
    2,456.66x = 5,127,475.59
  5. Step 5: Solve for x
    x = 5,127,475.59/2,456.66
  6. Step 6: Final answer
    x = 2,087.17

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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.