Home / 3,070.96-4,235.42-2,671.92

Finding the Fourth Proportional to 3,070.96, 4,235.42 and 2,671.92

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Solution

The fourth proportional to 3,070.96, 4,235.42 and 2,671.92 is: 3,685.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.96 : 4,235.42 = 2,671.92 : x
  2. Step 2: Convert to fraction form
    3,070.96/4,235.42 = 2,671.92/x
  3. Step 3: Cross multiply
    3,070.96x = 4,235.42 × 2,671.92
  4. Step 4: Simplify right side
    3,070.96x = 11,316,703.41
  5. Step 5: Solve for x
    x = 11,316,703.41/3,070.96
  6. Step 6: Final answer
    x = 3,685.07

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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.