Home / 2,778.18-4,169.58-1,462.40

Finding the Fourth Proportional to 2,778.18, 4,169.58 and 1,462.40

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Solution

The fourth proportional to 2,778.18, 4,169.58 and 1,462.40 is: 2,194.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778.18 : 4,169.58 = 1,462.40 : x
  2. Step 2: Convert to fraction form
    2,778.18/4,169.58 = 1,462.40/x
  3. Step 3: Cross multiply
    2,778.18x = 4,169.58 × 1,462.40
  4. Step 4: Simplify right side
    2,778.18x = 6,097,593.79
  5. Step 5: Solve for x
    x = 6,097,593.79/2,778.18
  6. Step 6: Final answer
    x = 2,194.82

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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.