Home / 2,637.92-3,639.20-1,852.48

Finding the Fourth Proportional to 2,637.92, 3,639.20 and 1,852.48

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Solution

The fourth proportional to 2,637.92, 3,639.20 and 1,852.48 is: 2,555.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.92 : 3,639.20 = 1,852.48 : x
  2. Step 2: Convert to fraction form
    2,637.92/3,639.20 = 1,852.48/x
  3. Step 3: Cross multiply
    2,637.92x = 3,639.20 × 1,852.48
  4. Step 4: Simplify right side
    2,637.92x = 6,741,545.22
  5. Step 5: Solve for x
    x = 6,741,545.22/2,637.92
  6. Step 6: Final answer
    x = 2,555.63

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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.