Home / 2,125.99-2,934.05-1,242.08

Finding the Fourth Proportional to 2,125.99, 2,934.05 and 1,242.08

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Solution

The fourth proportional to 2,125.99, 2,934.05 and 1,242.08 is: 1,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.99 : 2,934.05 = 1,242.08 : x
  2. Step 2: Convert to fraction form
    2,125.99/2,934.05 = 1,242.08/x
  3. Step 3: Cross multiply
    2,125.99x = 2,934.05 × 1,242.08
  4. Step 4: Simplify right side
    2,125.99x = 3,644,324.82
  5. Step 5: Solve for x
    x = 3,644,324.82/2,125.99
  6. Step 6: Final answer
    x = 1,714.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.