Home / 2,542.08-3,814.95-1,309.31

Finding the Fourth Proportional to 2,542.08, 3,814.95 and 1,309.31

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Solution

The fourth proportional to 2,542.08, 3,814.95 and 1,309.31 is: 1,964.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.08 : 3,814.95 = 1,309.31 : x
  2. Step 2: Convert to fraction form
    2,542.08/3,814.95 = 1,309.31/x
  3. Step 3: Cross multiply
    2,542.08x = 3,814.95 × 1,309.31
  4. Step 4: Simplify right side
    2,542.08x = 4,994,966.42
  5. Step 5: Solve for x
    x = 4,994,966.42/2,542.08
  6. Step 6: Final answer
    x = 1,964.91

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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.