Home / 1,669.08-2,505.68-1,582.97

Finding the Fourth Proportional to 1,669.08, 2,505.68 and 1,582.97

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Solution

The fourth proportional to 1,669.08, 2,505.68 and 1,582.97 is: 2,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.08 : 2,505.68 = 1,582.97 : x
  2. Step 2: Convert to fraction form
    1,669.08/2,505.68 = 1,582.97/x
  3. Step 3: Cross multiply
    1,669.08x = 2,505.68 × 1,582.97
  4. Step 4: Simplify right side
    1,669.08x = 3,966,408.35
  5. Step 5: Solve for x
    x = 3,966,408.35/1,669.08
  6. Step 6: Final answer
    x = 2,376.40

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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.