Home / 3,088.94-4,262.74-1,672.64

Finding the Fourth Proportional to 3,088.94, 4,262.74 and 1,672.64

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Solution

The fourth proportional to 3,088.94, 4,262.74 and 1,672.64 is: 2,308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.94 : 4,262.74 = 1,672.64 : x
  2. Step 2: Convert to fraction form
    3,088.94/4,262.74 = 1,672.64/x
  3. Step 3: Cross multiply
    3,088.94x = 4,262.74 × 1,672.64
  4. Step 4: Simplify right side
    3,088.94x = 7,129,999.76
  5. Step 5: Solve for x
    x = 7,129,999.76/3,088.94
  6. Step 6: Final answer
    x = 2,308.24

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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.