Home / 2,521.22-3,479.96-1,636.97

Finding the Fourth Proportional to 2,521.22, 3,479.96 and 1,636.97

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Solution

The fourth proportional to 2,521.22, 3,479.96 and 1,636.97 is: 2,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.22 : 3,479.96 = 1,636.97 : x
  2. Step 2: Convert to fraction form
    2,521.22/3,479.96 = 1,636.97/x
  3. Step 3: Cross multiply
    2,521.22x = 3,479.96 × 1,636.97
  4. Step 4: Simplify right side
    2,521.22x = 5,696,576.81
  5. Step 5: Solve for x
    x = 5,696,576.81/2,521.22
  6. Step 6: Final answer
    x = 2,259.46

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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.