Home / 3,780.32-5,669.48-1,699.16

Finding the Fourth Proportional to 3,780.32, 5,669.48 and 1,699.16

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Solution

The fourth proportional to 3,780.32, 5,669.48 and 1,699.16 is: 2,548.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.32 : 5,669.48 = 1,699.16 : x
  2. Step 2: Convert to fraction form
    3,780.32/5,669.48 = 1,699.16/x
  3. Step 3: Cross multiply
    3,780.32x = 5,669.48 × 1,699.16
  4. Step 4: Simplify right side
    3,780.32x = 9,633,353.64
  5. Step 5: Solve for x
    x = 9,633,353.64/3,780.32
  6. Step 6: Final answer
    x = 2,548.29

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1.5x scale

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.