Home / 1,781.93-2,459.75-1,595.09

Finding the Fourth Proportional to 1,781.93, 2,459.75 and 1,595.09

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Solution

The fourth proportional to 1,781.93, 2,459.75 and 1,595.09 is: 2,201.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781.93 : 2,459.75 = 1,595.09 : x
  2. Step 2: Convert to fraction form
    1,781.93/2,459.75 = 1,595.09/x
  3. Step 3: Cross multiply
    1,781.93x = 2,459.75 × 1,595.09
  4. Step 4: Simplify right side
    1,781.93x = 3,923,506.97
  5. Step 5: Solve for x
    x = 3,923,506.97/1,781.93
  6. Step 6: Final answer
    x = 2,201.83

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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.