Home / 2,588.16-3,886.56-2,125.92

Finding the Fourth Proportional to 2,588.16, 3,886.56 and 2,125.92

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Solution

The fourth proportional to 2,588.16, 3,886.56 and 2,125.92 is: 3,192.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.16 : 3,886.56 = 2,125.92 : x
  2. Step 2: Convert to fraction form
    2,588.16/3,886.56 = 2,125.92/x
  3. Step 3: Cross multiply
    2,588.16x = 3,886.56 × 2,125.92
  4. Step 4: Simplify right side
    2,588.16x = 8,262,515.64
  5. Step 5: Solve for x
    x = 8,262,515.64/2,588.16
  6. Step 6: Final answer
    x = 3,192.43

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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.