Home / 2,698.57-3,724.80-1,636.45

Finding the Fourth Proportional to 2,698.57, 3,724.80 and 1,636.45

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Solution

The fourth proportional to 2,698.57, 3,724.80 and 1,636.45 is: 2,258.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.57 : 3,724.80 = 1,636.45 : x
  2. Step 2: Convert to fraction form
    2,698.57/3,724.80 = 1,636.45/x
  3. Step 3: Cross multiply
    2,698.57x = 3,724.80 × 1,636.45
  4. Step 4: Simplify right side
    2,698.57x = 6,095,448.96
  5. Step 5: Solve for x
    x = 6,095,448.96/2,698.57
  6. Step 6: Final answer
    x = 2,258.77

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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.