Home / 1,616.27-2,228.24-1,298.75

Finding the Fourth Proportional to 1,616.27, 2,228.24 and 1,298.75

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Solution

The fourth proportional to 1,616.27, 2,228.24 and 1,298.75 is: 1,790.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.27 : 2,228.24 = 1,298.75 : x
  2. Step 2: Convert to fraction form
    1,616.27/2,228.24 = 1,298.75/x
  3. Step 3: Cross multiply
    1,616.27x = 2,228.24 × 1,298.75
  4. Step 4: Simplify right side
    1,616.27x = 2,893,918.81
  5. Step 5: Solve for x
    x = 2,893,918.81/1,616.27
  6. Step 6: Final answer
    x = 1,790.50

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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.