Home / 2,891.86-4,338.01-1,430.62

Finding the Fourth Proportional to 2,891.86, 4,338.01 and 1,430.62

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Solution

The fourth proportional to 2,891.86, 4,338.01 and 1,430.62 is: 2,146.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.86 : 4,338.01 = 1,430.62 : x
  2. Step 2: Convert to fraction form
    2,891.86/4,338.01 = 1,430.62/x
  3. Step 3: Cross multiply
    2,891.86x = 4,338.01 × 1,430.62
  4. Step 4: Simplify right side
    2,891.86x = 6,206,043.87
  5. Step 5: Solve for x
    x = 6,206,043.87/2,891.86
  6. Step 6: Final answer
    x = 2,146.04

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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.