Home / 1,649.24-2,469.95-1,431.63

Finding the Fourth Proportional to 1,649.24, 2,469.95 and 1,431.63

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Solution

The fourth proportional to 1,649.24, 2,469.95 and 1,431.63 is: 2,144.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649.24 : 2,469.95 = 1,431.63 : x
  2. Step 2: Convert to fraction form
    1,649.24/2,469.95 = 1,431.63/x
  3. Step 3: Cross multiply
    1,649.24x = 2,469.95 × 1,431.63
  4. Step 4: Simplify right side
    1,649.24x = 3,536,061.99
  5. Step 5: Solve for x
    x = 3,536,061.99/1,649.24
  6. Step 6: Final answer
    x = 2,144.06

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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.