Home / 1,902.74-2,624.13-1,239.35

Finding the Fourth Proportional to 1,902.74, 2,624.13 and 1,239.35

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Solution

The fourth proportional to 1,902.74, 2,624.13 and 1,239.35 is: 1,709.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.74 : 2,624.13 = 1,239.35 : x
  2. Step 2: Convert to fraction form
    1,902.74/2,624.13 = 1,239.35/x
  3. Step 3: Cross multiply
    1,902.74x = 2,624.13 × 1,239.35
  4. Step 4: Simplify right side
    1,902.74x = 3,252,215.52
  5. Step 5: Solve for x
    x = 3,252,215.52/1,902.74
  6. Step 6: Final answer
    x = 1,709.23

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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.