Home / 3,083.04-4,616.88-1,780.56

Finding the Fourth Proportional to 3,083.04, 4,616.88 and 1,780.56

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Solution

The fourth proportional to 3,083.04, 4,616.88 and 1,780.56 is: 2,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.04 : 4,616.88 = 1,780.56 : x
  2. Step 2: Convert to fraction form
    3,083.04/4,616.88 = 1,780.56/x
  3. Step 3: Cross multiply
    3,083.04x = 4,616.88 × 1,780.56
  4. Step 4: Simplify right side
    3,083.04x = 8,220,631.85
  5. Step 5: Solve for x
    x = 8,220,631.85/3,083.04
  6. Step 6: Final answer
    x = 2,666.40

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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.