Home / 1,984.85-2,739.08-1,088.59

Finding the Fourth Proportional to 1,984.85, 2,739.08 and 1,088.59

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Solution

The fourth proportional to 1,984.85, 2,739.08 and 1,088.59 is: 1,502.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.85 : 2,739.08 = 1,088.59 : x
  2. Step 2: Convert to fraction form
    1,984.85/2,739.08 = 1,088.59/x
  3. Step 3: Cross multiply
    1,984.85x = 2,739.08 × 1,088.59
  4. Step 4: Simplify right side
    1,984.85x = 2,981,730.97
  5. Step 5: Solve for x
    x = 2,981,730.97/1,984.85
  6. Step 6: Final answer
    x = 1,502.25

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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.