Home / 2,808.56-4,207.37-1,572.91

Finding the Fourth Proportional to 2,808.56, 4,207.37 and 1,572.91

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Solution

The fourth proportional to 2,808.56, 4,207.37 and 1,572.91 is: 2,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.56 : 4,207.37 = 1,572.91 : x
  2. Step 2: Convert to fraction form
    2,808.56/4,207.37 = 1,572.91/x
  3. Step 3: Cross multiply
    2,808.56x = 4,207.37 × 1,572.91
  4. Step 4: Simplify right side
    2,808.56x = 6,617,814.35
  5. Step 5: Solve for x
    x = 6,617,814.35/2,808.56
  6. Step 6: Final answer
    x = 2,356.30

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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.