Home / 2,964.60-4,087.67-2,254.64

Finding the Fourth Proportional to 2,964.60, 4,087.67 and 2,254.64

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Solution

The fourth proportional to 2,964.60, 4,087.67 and 2,254.64 is: 3,108.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.60 : 4,087.67 = 2,254.64 : x
  2. Step 2: Convert to fraction form
    2,964.60/4,087.67 = 2,254.64/x
  3. Step 3: Cross multiply
    2,964.60x = 4,087.67 × 2,254.64
  4. Step 4: Simplify right side
    2,964.60x = 9,216,192.58
  5. Step 5: Solve for x
    x = 9,216,192.58/2,964.60
  6. Step 6: Final answer
    x = 3,108.75

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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.