Home / 2,588.58-3,877.47-2,148.75

Finding the Fourth Proportional to 2,588.58, 3,877.47 and 2,148.75

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Solution

The fourth proportional to 2,588.58, 3,877.47 and 2,148.75 is: 3,218.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.58 : 3,877.47 = 2,148.75 : x
  2. Step 2: Convert to fraction form
    2,588.58/3,877.47 = 2,148.75/x
  3. Step 3: Cross multiply
    2,588.58x = 3,877.47 × 2,148.75
  4. Step 4: Simplify right side
    2,588.58x = 8,331,713.66
  5. Step 5: Solve for x
    x = 8,331,713.66/2,588.58
  6. Step 6: Final answer
    x = 3,218.64

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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.