Home / 3,019.52-4,160.55-2,811.74

Finding the Fourth Proportional to 3,019.52, 4,160.55 and 2,811.74

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Solution

The fourth proportional to 3,019.52, 4,160.55 and 2,811.74 is: 3,874.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.52 : 4,160.55 = 2,811.74 : x
  2. Step 2: Convert to fraction form
    3,019.52/4,160.55 = 2,811.74/x
  3. Step 3: Cross multiply
    3,019.52x = 4,160.55 × 2,811.74
  4. Step 4: Simplify right side
    3,019.52x = 11,698,384.86
  5. Step 5: Solve for x
    x = 11,698,384.86/3,019.52
  6. Step 6: Final answer
    x = 3,874.25

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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.