Home / 2,997.45-4,497.12-1,124.31

Finding the Fourth Proportional to 2,997.45, 4,497.12 and 1,124.31

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Solution

The fourth proportional to 2,997.45, 4,497.12 and 1,124.31 is: 1,686.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.45 : 4,497.12 = 1,124.31 : x
  2. Step 2: Convert to fraction form
    2,997.45/4,497.12 = 1,124.31/x
  3. Step 3: Cross multiply
    2,997.45x = 4,497.12 × 1,124.31
  4. Step 4: Simplify right side
    2,997.45x = 5,056,156.99
  5. Step 5: Solve for x
    x = 5,056,156.99/2,997.45
  6. Step 6: Final answer
    x = 1,686.82

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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.