Home / 2,886.45-4,329.81-1,407.03

Finding the Fourth Proportional to 2,886.45, 4,329.81 and 1,407.03

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Solution

The fourth proportional to 2,886.45, 4,329.81 and 1,407.03 is: 2,110.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.45 : 4,329.81 = 1,407.03 : x
  2. Step 2: Convert to fraction form
    2,886.45/4,329.81 = 1,407.03/x
  3. Step 3: Cross multiply
    2,886.45x = 4,329.81 × 1,407.03
  4. Step 4: Simplify right side
    2,886.45x = 6,092,172.56
  5. Step 5: Solve for x
    x = 6,092,172.56/2,886.45
  6. Step 6: Final answer
    x = 2,110.61

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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.