Home / 3,088.32-4,257.68-2,991.49

Finding the Fourth Proportional to 3,088.32, 4,257.68 and 2,991.49

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Solution

The fourth proportional to 3,088.32, 4,257.68 and 2,991.49 is: 4,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.32 : 4,257.68 = 2,991.49 : x
  2. Step 2: Convert to fraction form
    3,088.32/4,257.68 = 2,991.49/x
  3. Step 3: Cross multiply
    3,088.32x = 4,257.68 × 2,991.49
  4. Step 4: Simplify right side
    3,088.32x = 12,736,807.14
  5. Step 5: Solve for x
    x = 12,736,807.14/3,088.32
  6. Step 6: Final answer
    x = 4,124.19

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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.