Home / 3,755.91-5,631.98-1,564.05

Finding the Fourth Proportional to 3,755.91, 5,631.98 and 1,564.05

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Solution

The fourth proportional to 3,755.91, 5,631.98 and 1,564.05 is: 2,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.91 : 5,631.98 = 1,564.05 : x
  2. Step 2: Convert to fraction form
    3,755.91/5,631.98 = 1,564.05/x
  3. Step 3: Cross multiply
    3,755.91x = 5,631.98 × 1,564.05
  4. Step 4: Simplify right side
    3,755.91x = 8,808,690.50
  5. Step 5: Solve for x
    x = 8,808,690.50/3,755.91
  6. Step 6: Final answer
    x = 2,345.29

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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.