Home / 2,869.20-4,301.64-1,409.58

Finding the Fourth Proportional to 2,869.20, 4,301.64 and 1,409.58

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Solution

The fourth proportional to 2,869.20, 4,301.64 and 1,409.58 is: 2,113.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.20 : 4,301.64 = 1,409.58 : x
  2. Step 2: Convert to fraction form
    2,869.20/4,301.64 = 1,409.58/x
  3. Step 3: Cross multiply
    2,869.20x = 4,301.64 × 1,409.58
  4. Step 4: Simplify right side
    2,869.20x = 6,063,505.71
  5. Step 5: Solve for x
    x = 6,063,505.71/2,869.20
  6. Step 6: Final answer
    x = 2,113.31

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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.