Home / 2,456.76-3,683.70-1,686.36

Finding the Fourth Proportional to 2,456.76, 3,683.70 and 1,686.36

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Solution

The fourth proportional to 2,456.76, 3,683.70 and 1,686.36 is: 2,528.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.76 : 3,683.70 = 1,686.36 : x
  2. Step 2: Convert to fraction form
    2,456.76/3,683.70 = 1,686.36/x
  3. Step 3: Cross multiply
    2,456.76x = 3,683.70 × 1,686.36
  4. Step 4: Simplify right side
    2,456.76x = 6,212,044.33
  5. Step 5: Solve for x
    x = 6,212,044.33/2,456.76
  6. Step 6: Final answer
    x = 2,528.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.