Home / 3,143.16-4,336.65-2,477.88

Finding the Fourth Proportional to 3,143.16, 4,336.65 and 2,477.88

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Solution

The fourth proportional to 3,143.16, 4,336.65 and 2,477.88 is: 3,418.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.16 : 4,336.65 = 2,477.88 : x
  2. Step 2: Convert to fraction form
    3,143.16/4,336.65 = 2,477.88/x
  3. Step 3: Cross multiply
    3,143.16x = 4,336.65 × 2,477.88
  4. Step 4: Simplify right side
    3,143.16x = 10,745,698.30
  5. Step 5: Solve for x
    x = 10,745,698.30/3,143.16
  6. Step 6: Final answer
    x = 3,418.76

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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.