Home / 2,983.62-4,115.16-1,803.18

Finding the Fourth Proportional to 2,983.62, 4,115.16 and 1,803.18

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Solution

The fourth proportional to 2,983.62, 4,115.16 and 1,803.18 is: 2,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.62 : 4,115.16 = 1,803.18 : x
  2. Step 2: Convert to fraction form
    2,983.62/4,115.16 = 1,803.18/x
  3. Step 3: Cross multiply
    2,983.62x = 4,115.16 × 1,803.18
  4. Step 4: Simplify right side
    2,983.62x = 7,420,374.21
  5. Step 5: Solve for x
    x = 7,420,374.21/2,983.62
  6. Step 6: Final answer
    x = 2,487.04

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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.