Home / 3,106.80-4,654.53-2,587.59

Finding the Fourth Proportional to 3,106.80, 4,654.53 and 2,587.59

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Solution

The fourth proportional to 3,106.80, 4,654.53 and 2,587.59 is: 3,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.80 : 4,654.53 = 2,587.59 : x
  2. Step 2: Convert to fraction form
    3,106.80/4,654.53 = 2,587.59/x
  3. Step 3: Cross multiply
    3,106.80x = 4,654.53 × 2,587.59
  4. Step 4: Simplify right side
    3,106.80x = 12,044,015.28
  5. Step 5: Solve for x
    x = 12,044,015.28/3,106.80
  6. Step 6: Final answer
    x = 3,876.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.