Home / 2,909.50-4,359.99-1,810.52

Finding the Fourth Proportional to 2,909.50, 4,359.99 and 1,810.52

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Solution

The fourth proportional to 2,909.50, 4,359.99 and 1,810.52 is: 2,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.50 : 4,359.99 = 1,810.52 : x
  2. Step 2: Convert to fraction form
    2,909.50/4,359.99 = 1,810.52/x
  3. Step 3: Cross multiply
    2,909.50x = 4,359.99 × 1,810.52
  4. Step 4: Simplify right side
    2,909.50x = 7,893,849.09
  5. Step 5: Solve for x
    x = 7,893,849.09/2,909.50
  6. Step 6: Final answer
    x = 2,713.13

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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.