Home / 2,866.35-4,299.93-1,405.53

Finding the Fourth Proportional to 2,866.35, 4,299.93 and 1,405.53

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Solution

The fourth proportional to 2,866.35, 4,299.93 and 1,405.53 is: 2,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.35 : 4,299.93 = 1,405.53 : x
  2. Step 2: Convert to fraction form
    2,866.35/4,299.93 = 1,405.53/x
  3. Step 3: Cross multiply
    2,866.35x = 4,299.93 × 1,405.53
  4. Step 4: Simplify right side
    2,866.35x = 6,043,680.61
  5. Step 5: Solve for x
    x = 6,043,680.61/2,866.35
  6. Step 6: Final answer
    x = 2,108.49

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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.