Home / 2,062.55-2,839.21-1,781.08

Finding the Fourth Proportional to 2,062.55, 2,839.21 and 1,781.08

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Solution

The fourth proportional to 2,062.55, 2,839.21 and 1,781.08 is: 2,451.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,062.55 : 2,839.21 = 1,781.08 : x
  2. Step 2: Convert to fraction form
    2,062.55/2,839.21 = 1,781.08/x
  3. Step 3: Cross multiply
    2,062.55x = 2,839.21 × 1,781.08
  4. Step 4: Simplify right side
    2,062.55x = 5,056,848.60
  5. Step 5: Solve for x
    x = 5,056,848.60/2,062.55
  6. Step 6: Final answer
    x = 2,451.74

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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.