Home / 3,116.64-4,270.47-3,087.84

Finding the Fourth Proportional to 3,116.64, 4,270.47 and 3,087.84

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Solution

The fourth proportional to 3,116.64, 4,270.47 and 3,087.84 is: 4,231.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.64 : 4,270.47 = 3,087.84 : x
  2. Step 2: Convert to fraction form
    3,116.64/4,270.47 = 3,087.84/x
  3. Step 3: Cross multiply
    3,116.64x = 4,270.47 × 3,087.84
  4. Step 4: Simplify right side
    3,116.64x = 13,186,528.08
  5. Step 5: Solve for x
    x = 13,186,528.08/3,116.64
  6. Step 6: Final answer
    x = 4,231.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.