Home / 1,616.13-2,228.04-1,260.99

Finding the Fourth Proportional to 1,616.13, 2,228.04 and 1,260.99

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Solution

The fourth proportional to 1,616.13, 2,228.04 and 1,260.99 is: 1,738.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.13 : 2,228.04 = 1,260.99 : x
  2. Step 2: Convert to fraction form
    1,616.13/2,228.04 = 1,260.99/x
  3. Step 3: Cross multiply
    1,616.13x = 2,228.04 × 1,260.99
  4. Step 4: Simplify right side
    1,616.13x = 2,809,536.16
  5. Step 5: Solve for x
    x = 2,809,536.16/1,616.13
  6. Step 6: Final answer
    x = 1,738.43

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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.