Home / 1,579.49-2,359.24-1,229.18

Finding the Fourth Proportional to 1,579.49, 2,359.24 and 1,229.18

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Solution

The fourth proportional to 1,579.49, 2,359.24 and 1,229.18 is: 1,835.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.49 : 2,359.24 = 1,229.18 : x
  2. Step 2: Convert to fraction form
    1,579.49/2,359.24 = 1,229.18/x
  3. Step 3: Cross multiply
    1,579.49x = 2,359.24 × 1,229.18
  4. Step 4: Simplify right side
    1,579.49x = 2,899,933.45
  5. Step 5: Solve for x
    x = 2,899,933.45/1,579.49
  6. Step 6: Final answer
    x = 1,835.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.