Home / 3,779.99-5,669.98-1,439.45

Finding the Fourth Proportional to 3,779.99, 5,669.98 and 1,439.45

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Solution

The fourth proportional to 3,779.99, 5,669.98 and 1,439.45 is: 2,159.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.99 : 5,669.98 = 1,439.45 : x
  2. Step 2: Convert to fraction form
    3,779.99/5,669.98 = 1,439.45/x
  3. Step 3: Cross multiply
    3,779.99x = 5,669.98 × 1,439.45
  4. Step 4: Simplify right side
    3,779.99x = 8,161,620.76
  5. Step 5: Solve for x
    x = 8,161,620.76/3,779.99
  6. Step 6: Final answer
    x = 2,159.17

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Similar ratio
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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.