Home / 2,983.10-4,474.70-1,666.10

Finding the Fourth Proportional to 2,983.10, 4,474.70 and 1,666.10

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Solution

The fourth proportional to 2,983.10, 4,474.70 and 1,666.10 is: 2,499.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.10 : 4,474.70 = 1,666.10 : x
  2. Step 2: Convert to fraction form
    2,983.10/4,474.70 = 1,666.10/x
  3. Step 3: Cross multiply
    2,983.10x = 4,474.70 × 1,666.10
  4. Step 4: Simplify right side
    2,983.10x = 7,455,297.67
  5. Step 5: Solve for x
    x = 7,455,297.67/2,983.10
  6. Step 6: Final answer
    x = 2,499.18

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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.