Home / 1,609.08-2,218.47-1,276.94

Finding the Fourth Proportional to 1,609.08, 2,218.47 and 1,276.94

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Solution

The fourth proportional to 1,609.08, 2,218.47 and 1,276.94 is: 1,760.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609.08 : 2,218.47 = 1,276.94 : x
  2. Step 2: Convert to fraction form
    1,609.08/2,218.47 = 1,276.94/x
  3. Step 3: Cross multiply
    1,609.08x = 2,218.47 × 1,276.94
  4. Step 4: Simplify right side
    1,609.08x = 2,832,853.08
  5. Step 5: Solve for x
    x = 2,832,853.08/1,609.08
  6. Step 6: Final answer
    x = 1,760.54

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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.