Home / 2,124.12-3,164.28-2,059.64

Finding the Fourth Proportional to 2,124.12, 3,164.28 and 2,059.64

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Solution

The fourth proportional to 2,124.12, 3,164.28 and 2,059.64 is: 3,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.12 : 3,164.28 = 2,059.64 : x
  2. Step 2: Convert to fraction form
    2,124.12/3,164.28 = 2,059.64/x
  3. Step 3: Cross multiply
    2,124.12x = 3,164.28 × 2,059.64
  4. Step 4: Simplify right side
    2,124.12x = 6,517,261.84
  5. Step 5: Solve for x
    x = 6,517,261.84/2,124.12
  6. Step 6: Final answer
    x = 3,068.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.