Home / 1,616.24-2,230.77-1,112.76

Finding the Fourth Proportional to 1,616.24, 2,230.77 and 1,112.76

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Solution

The fourth proportional to 1,616.24, 2,230.77 and 1,112.76 is: 1,535.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.24 : 2,230.77 = 1,112.76 : x
  2. Step 2: Convert to fraction form
    1,616.24/2,230.77 = 1,112.76/x
  3. Step 3: Cross multiply
    1,616.24x = 2,230.77 × 1,112.76
  4. Step 4: Simplify right side
    1,616.24x = 2,482,311.63
  5. Step 5: Solve for x
    x = 2,482,311.63/1,616.24
  6. Step 6: Final answer
    x = 1,535.86

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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.