Home / 2,778.04-3,833.88-1,599.40

Finding the Fourth Proportional to 2,778.04, 3,833.88 and 1,599.40

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Solution

The fourth proportional to 2,778.04, 3,833.88 and 1,599.40 is: 2,207.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778.04 : 3,833.88 = 1,599.40 : x
  2. Step 2: Convert to fraction form
    2,778.04/3,833.88 = 1,599.40/x
  3. Step 3: Cross multiply
    2,778.04x = 3,833.88 × 1,599.40
  4. Step 4: Simplify right side
    2,778.04x = 6,131,907.67
  5. Step 5: Solve for x
    x = 6,131,907.67/2,778.04
  6. Step 6: Final answer
    x = 2,207.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.