Home / 1,416.35-2,122.58-1,207.04

Finding the Fourth Proportional to 1,416.35, 2,122.58 and 1,207.04

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Solution

The fourth proportional to 1,416.35, 2,122.58 and 1,207.04 is: 1,808.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416.35 : 2,122.58 = 1,207.04 : x
  2. Step 2: Convert to fraction form
    1,416.35/2,122.58 = 1,207.04/x
  3. Step 3: Cross multiply
    1,416.35x = 2,122.58 × 1,207.04
  4. Step 4: Simplify right side
    1,416.35x = 2,562,031.37
  5. Step 5: Solve for x
    x = 2,562,031.37/1,416.35
  6. Step 6: Final answer
    x = 1,808.89

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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.